9.8

CVE-2019-18224

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Libidn2 Version < 2.1.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.71% 0.883
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
Third Party Advisory
Exploit
Issue Tracking
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
Patch
Third Party Advisory
https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1
Third Party Advisory
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/
https://seclists.org/bugtraq/2020/Feb/4
https://security.gentoo.org/glsa/202003-63
https://usn.ubuntu.com/4168-1/
https://www.debian.org/security/2020/dsa-4613