CVE Vulnerability

CVE-2019-18224

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1 Release Notes Third Party Advisory
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c Patch Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420 Exploit Issue Tracking
https://usn.ubuntu.com/4168-1/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
https://www.debian.org/security/2020/dsa-4613
https://seclists.org/bugtraq/2020/Feb/4
https://security.gentoo.org/glsa/202003-63
Configurations

Configuration 1

cpe:2.3:a:gnu:libidn2:*:*:*:*:*:*:*:*
Information

Published : 2019-10-21 05:15

Updated : 2019-10-29 07:15

NVD link : CVE-2019-18224

Mitre link : CVE-2019-18224

Products Affected
No products.
CWE
CWE-787