CVE-2019-18224
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.021 Low
EPSS
Percentile
88.9%
idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.
| CPE | Name | Operator | Version |
|---|---|---|---|
| gnu:libidn2 | gnu libidn2 | lt | 2.1.1 |
References
lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/
seclists.org/bugtraq/2020/Feb/4
security.gentoo.org/glsa/202003-63
usn.ubuntu.com/4168-1/
www.debian.org/security/2020/dsa-4613
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.021 Low
EPSS
Percentile
88.9%