Description
An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function pool_lookup_string2() located in pool.c. It allows an attacker to cause Denial of Service.
Affected Software
Related
{"id": "CVE-2021-39583", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-39583", "description": "An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function pool_lookup_string2() located in pool.c. It allows an attacker to cause Denial of Service.", "published": "2021-09-20T16:15:00", "modified": "2021-09-22T20:02:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-39583", "reporter": "cve@mitre.org", "references": ["https://github.com/matthiaskramm/swftools/issues/136"], "cvelist": ["CVE-2021-39583"], "immutableFields": [], "lastseen": "2022-03-23T19:03:56", "viewCount": 13, "enchantments": {"dependencies": {"references": [{"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-39583"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-39583"]}], "rev": 4}, "score": {"value": 3.6, "vector": "NONE"}, "backreferences": {"references": [{"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-39583"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-39583"]}]}, "exploitation": null, "vulnersScore": 3.6}, "_state": {"dependencies": 1659914120, "score": 1659847081}, "_internal": {"score_hash": "195174cf62ef39bc10cb9a142c517222"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/a:swftools:swftools:2020-07-10"], "cpe23": ["cpe:2.3:a:swftools:swftools:2020-07-10:*:*:*:*:*:*:*"], "cwe": ["CWE-476"], "affectedSoftware": [{"cpeName": "swftools:swftools", "version": "2020-07-10", "operator": "le", "name": "swftools"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:swftools:swftools:2020-07-10:*:*:*:*:*:*:*", "versionEndIncluding": "2020-07-10", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://github.com/matthiaskramm/swftools/issues/136", "name": "https://github.com/matthiaskramm/swftools/issues/136", "refsource": "MISC", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"]}]}
{"ubuntucve": [{"lastseen": "2022-08-04T13:15:31", "description": "An issue was discovered in swftools through 20200710. A NULL pointer\ndereference exists in the function pool_lookup_string2() located in pool.c.\nIt allows an attacker to cause Denial of Service.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2021-09-20T00:00:00", "type": "ubuntucve", "title": "CVE-2021-39583", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-39583"], "modified": "2021-09-20T00:00:00", "id": "UB:CVE-2021-39583", "href": "https://ubuntu.com/security/CVE-2021-39583", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}], "debiancve": [{"lastseen": "2021-12-14T17:53:07", "description": "An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function pool_lookup_string2() located in pool.c. It allows an attacker to cause Denial of Service.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-09-20T16:15:00", "type": "debiancve", "title": "CVE-2021-39583", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-39583"], "modified": "2021-09-20T16:15:00", "id": "DEBIANCVE:CVE-2021-39583", "href": "https://security-tracker.debian.org/tracker/CVE-2021-39583", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}]}