CVE-2018-14598
Published: August 31, 2023Last modified: August 31, 2023
Description
An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libx11 | Not affected (1.8.4-r1) |
| Stream | libx11 | Not affected (1.8.6-r0) |
References
- http://www.openwall.com/lists/oss-security/2018/08/21/6
- http://www.securityfocus.com/bid/105177
- http://www.securitytracker.com/id/1041543
- https://access.redhat.com/errata/RHSA-2019:2079
- https://bugzilla.suse.com/show_bug.cgi?id=1102073
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2
- https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/
- https://lists.x.org/archives/xorg-announce/2018-August/002916.html
- https://security.gentoo.org/glsa/201811-01
- https://usn.ubuntu.com/3758-1/
- https://usn.ubuntu.com/3758-2/