CVE-2019-18224
Published: August 31, 2023Last modified: August 31, 2023
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libidn2 | Not affected (2.3.4-r0) |
| Stream | libidn2 | Not affected (2.3.4-r2) |
References
- 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
- https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
- https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1
- 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://lists.fedoraproject.org/archives/list/[email protected]/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/
- https://lists.fedoraproject.org/archives/list/[email protected]/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