A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service.
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(bsc#1104641)\n\n This update was imported from the SUSE:SLE-12-SP2:Update update project.\n\n Patch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended\n installation methods\n like YaST online_update or 'zypper patch'.\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 42.3:\n\n zypper in -t patch openSUSE-2018-1314=1\");\n\n script_tag(name:\"affected\", value:\"libgit2 on openSUSE Leap 42.3.\");\n\n script_tag(name:\"solution\", value:\"Please install the updated package(s).\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-rpm.inc\");\n\nrelease = rpm_get_ssh_release();\nif(!release)\n exit(0);\n\nres = \"\";\nreport = \"\";\n\nif(release == \"openSUSELeap42.3\") {\n if(!isnull(res = isrpmvuln(pkg:\"libgit2-24\", rpm:\"libgit2-24~0.24.1~10.3.1\", rls:\"openSUSELeap42.3\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libgit2-24-debuginfo\", rpm:\"libgit2-24-debuginfo~0.24.1~10.3.1\", rls:\"openSUSELeap42.3\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libgit2-debugsource\", rpm:\"libgit2-debugsource~0.24.1~10.3.1\", rls:\"openSUSELeap42.3\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libgit2-devel\", rpm:\"libgit2-devel~0.24.1~10.3.1\", rls:\"openSUSELeap42.3\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libgit2-24-32bit\", rpm:\"libgit2-24-32bit~0.24.1~10.3.1\", rls:\"openSUSELeap42.3\"))) {\n report += res;\n }\n\n if(!isnull(res = isrpmvuln(pkg:\"libgit2-24-debuginfo-32bit\", rpm:\"libgit2-24-debuginfo-32bit~0.24.1~10.3.1\", rls:\"openSUSELeap42.3\"))) {\n report += res;\n }\n\n if(report != \"\") {\n security_message(data:report);\n } else if(__pkg_match) {\n exit(99);\n }\n exit(0);\n}\n\nexit(0);\n", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "fedora": [{"lastseen": "2021-07-28T18:41:37", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. 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", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 8.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 5.2}, "published": "2018-08-19T00:22:34", "type": "fedora", "title": "[SECURITY] Fedora 27 Update: libgit2-0.26.6-1.fc27", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235"], "modified": "2018-08-19T00:22:34", "id": "FEDORA:CD54060D2A07", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/CM5WCC5TEFHVNXMJDTRRAD6VFTJLCDA4/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-12-21T08:17:54", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-07-19T17:48:53", "type": "fedora", "title": "[SECURITY] Fedora 27 Update: libgit2-0.26.5-1.fc27", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235"], "modified": "2018-07-19T17:48:53", "id": "FEDORA:9106C604A712", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/5GAR2S4GMRIEBQXZU3D6ZDJQTR5C4MZH/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-12-21T08:17:54", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-07-19T18:06:49", "type": "fedora", "title": "[SECURITY] Fedora 28 Update: libgit2-0.26.5-1.fc28", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235"], "modified": "2018-07-19T18:06:49", "id": "FEDORA:38ABE605715A", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2DI7CXOAS5SSCDPWYHUDJEDPVLTAFS6H/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-07-28T14:46:50", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-11-09T05:26:13", "type": "fedora", "title": "[SECURITY] Fedora 28 Update: libgit2-0.26.8-1.fc28", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235", "CVE-2018-17456"], "modified": "2018-11-09T05:26:13", "id": "FEDORA:59FDC63352B3", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/RWUYSQIRNA7BF3QIFK765ETPFQ6URXAE/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-07-28T14:46:50", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-10-14T23:31:19", "type": "fedora", "title": "[SECURITY] Fedora 27 Update: libgit2-0.26.7-1.fc27", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235", "CVE-2018-17456"], "modified": "2018-10-14T23:31:19", "id": "FEDORA:AD7E26075DAB", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/5GMJJIDNEG42VDOEJZLJOIR6WEXXQGZ5/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-07-28T14:46:50", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-10-16T11:41:13", "type": "fedora", "title": "[SECURITY] Fedora 28 Update: libgit2-0.26.7-1.fc28", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235", "CVE-2018-17456"], "modified": "2018-10-16T11:41:13", "id": "FEDORA:DB3A56048699", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/PKRWJ6IUL2V32F67UNPFRHEF5LEVL2IZ/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-07-28T14:46:50", "description": "libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API, allowing you to write native speed custom Git applications in any language with bindings. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-11-09T05:56:41", "type": "fedora", "title": "[SECURITY] Fedora 27 Update: libgit2-0.26.8-1.fc27", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-11235", "CVE-2018-17456"], "modified": "2018-11-09T05:56:41", "id": "FEDORA:813D86150C93", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/WDTYHGBY3SFDXNHSJNH54FQEMJJLUZOI/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "osv": [{"lastseen": "2022-07-21T08:19:15", "description": "\n* [CVE-2018-15501](https://security-tracker.debian.org/tracker/CVE-2018-15501)\nA potential out-of-bounds read when processing a ng smart packet\n might lead to a Denial of Service.\n* [CVE-2018-10887](https://security-tracker.debian.org/tracker/CVE-2018-10887)\nA flaw has been discovered that may lead to an integer overflow which\n in turn leads to an out of bound read, allowing to read before the\n base object. This might be used to leak memory addresses or cause a\n Denial of Service.\n* [CVE-2018-10888](https://security-tracker.debian.org/tracker/CVE-2018-10888)\nA flaw may lead to an out-of-bound read while reading a binary delta\n file. This might result in a Denial of Service.\n\n\nFor Debian 8 Jessie, these problems have been fixed in version\n0.21.1-3+deb8u1.\n\n\nWe recommend that you upgrade your libgit2 packages.\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 8.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 5.2}, "published": "2018-08-25T00:00:00", "type": "osv", "title": "libgit2 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10888", "CVE-2018-10887", "CVE-2018-15501"], "modified": "2022-07-21T05:52:15", "id": "OSV:DLA-1477-1", "href": "https://osv.dev/vulnerability/DLA-1477-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-06-28T06:38:04", "description": "\nMultiple vulnerabilities were found in libgit2, a low-level Git library,\nand are as follows:\n\n\n* [CVE-2018-8098](https://security-tracker.debian.org/tracker/CVE-2018-8098)\nInteger overflow in the index.c:read\\_entry() function while\n decompressing a compressed prefix length in libgit2 before\n v0.26.2 allows an attacker to cause a denial of service\n (out-of-bounds read) via a crafted repository index file.\n* [CVE-2018-8099](https://security-tracker.debian.org/tracker/CVE-2018-8099)\nIncorrect returning of an error code in the index.c:read\\_entry()\n function leads to a double free in libgit2 before v0.26.2, which\n allows an attacker to cause a denial of service via a crafted\n repository index file.\n* [CVE-2018-10887](https://security-tracker.debian.org/tracker/CVE-2018-10887)\nIt has been discovered that an unexpected sign extension in\n git\\_delta\\_apply function in delta-apply.c file may lead to an\n integer overflow which in turn leads to an out of bound read,\n allowing to read before the base object. An attacker may use\n this flaw to leak memory addresses or cause a Denial of Service.\n* [CVE-2018-10888](https://security-tracker.debian.org/tracker/CVE-2018-10888)\nA missing check in git\\_delta\\_apply function in delta-apply.c file,\n may lead to an out-of-bound read while reading a binary delta file.\n An attacker may use this flaw to cause a Denial of Service.\n* [CVE-2018-15501](https://security-tracker.debian.org/tracker/CVE-2018-15501)\nIn ng\\_pkt in transports/smart\\_pkt.c in libgit2, a remote attacker\n can send a crafted smart-protocol ng packet that lacks a '\\0'\n byte to trigger an out-of-bounds read that leads to DoS.\n* [CVE-2020-12278](https://security-tracker.debian.org/tracker/CVE-2020-12278)\npath.c mishandles equivalent filenames that exist because of NTFS\n Alternate Data Streams. This may allow remote code execution when\n cloning a repository. This issue is similar to [CVE-2019-1352](https://security-tracker.debian.org/tracker/CVE-2019-1352).\n* [CVE-2020-12279](https://security-tracker.debian.org/tracker/CVE-2020-12279)\ncheckout.c mishandles equivalent filenames that exist because of\n NTFS short names. This may allow remote code execution when cloning\n a repository. This issue is similar to [CVE-2019-1353](https://security-tracker.debian.org/tracker/CVE-2019-1353).\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n0.25.1+really0.24.6-1+deb9u1.\n\n\nWe recommend that you upgrade your libgit2 packages.\n\n\nFor the detailed security status of libgit2 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/libgit2>\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-03-21T00:00:00", "type": "osv", "title": "libgit2 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-15501", "CVE-2018-8098", "CVE-2018-8099", "CVE-2019-1352", "CVE-2019-1353", "CVE-2020-12278", "CVE-2020-12279"], "modified": "2023-06-28T06:37:04", "id": "OSV:DLA-2936-1", "href": "https://osv.dev/vulnerability/DLA-2936-1", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "debian": [{"lastseen": "2022-03-26T20:13:20", "description": "Package : libgit2\nVersion : 0.21.1-3+deb8u1\nCVE ID : CVE-2018-10887 CVE-2018-10888 CVE-2018-15501\n\n\nCVE-2018-15501\n A potential out-of-bounds read when processing a "ng" smart packet\n might lead to a Denial of Service.\n\nCVE-2018-10887\n A flaw has been discovered that may lead to an integer overflow which\n in turn leads to an out of bound read, allowing to read before the\n base object. This might be used to leak memory addresses or cause a\n Denial of Service.\n\nCVE-2018-10888\n A flaw may lead to an out-of-bound read while reading a binary delta\n file. This might result in a Denial of Service.\n\n\nFor Debian 8 "Jessie", these problems have been fixed in version\n0.21.1-3+deb8u1.\n\nWe recommend that you upgrade your libgit2 packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.2}, "published": "2018-08-25T21:27:14", "type": "debian", "title": "[SECURITY] [DLA 1477-1] libgit2 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-15501"], "modified": "2018-08-25T21:27:14", "id": "DEBIAN:DLA-1477-1:EAB94", "href": "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-05-02T19:39:41", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2936-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Utkarsh Gupta\nMarch 07, 2022 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : libgit2\nVersion : 0.25.1+really0.24.6-1+deb9u1\nCVE ID : CVE-2018-8098 CVE-2018-8099 CVE-2018-10887 CVE-2018-10888\n CVE-2018-15501 CVE-2020-12278 CVE-2020-12279\nDebian Bug : 892961 892962 903508 903509\n\nMultiple vulnerabilities were found in libgit2, a low-level Git library,\nand are as follows:\n\nCVE-2018-8098\n\n Integer overflow in the index.c:read_entry() function while\n decompressing a compressed prefix length in libgit2 before\n v0.26.2 allows an attacker to cause a denial of service\n (out-of-bounds read) via a crafted repository index file.\n\nCVE-2018-8099\n\n Incorrect returning of an error code in the index.c:read_entry()\n function leads to a double free in libgit2 before v0.26.2, which\n allows an attacker to cause a denial of service via a crafted\n repository index file.\n\nCVE-2018-10887\n\n It has been discovered that an unexpected sign extension in\n git_delta_apply function in delta-apply.c file may lead to an\n integer overflow which in turn leads to an out of bound read,\n allowing to read before the base object. An attacker may use\n this flaw to leak memory addresses or cause a Denial of Service.\n\nCVE-2018-10888\n\n A missing check in git_delta_apply function in delta-apply.c file,\n may lead to an out-of-bound read while reading a binary delta file.\n An attacker may use this flaw to cause a Denial of Service.\n\nCVE-2018-15501\n\n In ng_pkt in transports/smart_pkt.c in libgit2, a remote attacker\n can send a crafted smart-protocol "ng" packet that lacks a '\\0'\n byte to trigger an out-of-bounds read that leads to DoS.\n\nCVE-2020-12278\n\n path.c mishandles equivalent filenames that exist because of NTFS\n Alternate Data Streams. This may allow remote code execution when\n cloning a repository. This issue is similar to CVE-2019-1352.\n\nCVE-2020-12279\n\n checkout.c mishandles equivalent filenames that exist because of\n NTFS short names. This may allow remote code execution when cloning\n a repository. This issue is similar to CVE-2019-1353.\n\nFor Debian 9 stretch, these problems have been fixed in version\n0.25.1+really0.24.6-1+deb9u1.\n\nWe recommend that you upgrade your libgit2 packages.\n\nFor the detailed security status of libgit2 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/libgit2\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-03-21T00:39:43", "type": "debian", "title": "[SECURITY] [DLA 2936-1] libgit2 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-10887", "CVE-2018-10888", "CVE-2018-15501", "CVE-2018-8098", "CVE-2018-8099", "CVE-2019-1352", "CVE-2019-1353", "CVE-2020-12278", "CVE-2020-12279"], "modified": "2022-03-21T00:39:43", "id": "DEBIAN:DLA-2936-1:BE105", "href": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "suse": [{"lastseen": "2018-08-25T01:33:23", "description": "This update for libgit2 to version 0.26.5 fixes the following issues:\n\n The following security vulnerabilities were addressed:\n\n - CVE-2018-10887: Fixed an integer overflow which in turn leads to an out\n of bound read, allowing to read the base object, which could be\n exploited by an attacker to cause denial of service (DoS) (bsc#1100613).\n - CVE-2018-10888: Fixed an out-of-bound read while reading a binary delta\n file, which could be exploited by an attacker t ocause a denial of\n service (DoS) (bsc#1100612).\n - CVE-2018-11235: Fixed a remote code execution, which could occur with a\n crafted .gitmodules file (bsc#1095219)\n - CVE-2018-15501: Prevent out-of-bounds reads when processing\n smart-protocol "ng" packets (bsc#1104641)\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "cvss3": {}, "published": "2018-08-25T00:07:49", "type": "suse", "title": "Security update for libgit2 (important)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2018-10888", "CVE-2018-11235", "CVE-2018-10887", "CVE-2018-15501"], "modified": "2018-08-25T00:07:49", "id": "OPENSUSE-SU-2018:2502-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2018-08/msg00074.html", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}, {"lastseen": "2018-10-27T02:31:29", "description": "This update for libgit2 fixes the following issues:\n\n - CVE-2018-8099: Fixed possible denial of service attack via different\n vectors by not being able to differentiate between these status codes\n (bsc#1085256).\n - CVE-2018-11235: With a crafted .gitmodules file, a malicious project can\n execute an arbitrary script on a machine that runs "git clone\n --recurse-submodules" because submodule "names" are obtained from this\n file, and then appended to $GIT_DIR/modules, leading to directory\n traversal with "../" in a name. Finally, post-checkout hooks from a\n submodule are executed, bypassing the intended design in which hooks are\n not obtained from a remote server. (bsc#1095219)\n - CVE-2018-10887: It has been discovered that an unexpected sign extension\n in git_delta_apply function in delta.c file may have lead to an integer\n overflow which in turn leads to an out of bound read, allowing to read\n before the base object. An attacker could have used this flaw to leak\n memory addresses or cause a Denial of Service. (bsc#1100613)\n - CVE-2018-10888: A missing check in git_delta_apply function in delta.c\n file, may lead to an out-of-bound read while reading a binary delta\n file. An attacker may use this flaw to cause a Denial of Service.\n (bsc#1100612)\n - CVE-2018-15501: A remote attacker can send a crafted smart-protocol "ng"\n packet that lacks a '\\0' byte to trigger an out-of-bounds read that\n leads to DoS. (bsc#1104641)\n\n This update was imported from the SUSE:SLE-12-SP2:Update update project.\n\n", "cvss3": {}, "published": "2018-10-27T00:24:13", "type": "suse", "title": "Security update for libgit2 (moderate)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2018-10888", "CVE-2018-11235", "CVE-2018-10887", "CVE-2018-15501", "CVE-2018-8099"], "modified": "2018-10-27T00:24:13", "id": "OPENSUSE-SU-2018:3519-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00078.html", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}]}
CVE-2018-10888
