CVE-2022-29824
Published: August 31, 2023Last modified: August 31, 2023
Description
In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack Vector | NETWORK |
Attack complexity | LOW |
Privileges required | NONE |
User interaction | REQUIRED |
Scope | UNCHANGED |
Confidentiality | NONE |
Integrity impact | NONE |
Availability impact | HIGH |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Status
Product | Release | Package | Status |
---|---|---|---|
Alpaquita Linux | 23 LTS | libxml2 | Not affected (2.10.4-r0) |
libxslt | Not affected (1.1.37-r1) | ||
Stream | libxml2 | Not affected (2.11.5-r0) | |
libxslt | Not affected (1.1.38-r1) |
References
- http://packetstormsecurity.com/files/167345/libxml2-xmlBufAdd-Heap-Buffer-Overflow.html
- http://packetstormsecurity.com/files/169825/libxml2-xmlParseNameComplex-Integer-Overflow.html
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/2554a2408e09f13652049e5ffb0d26196b02ebab
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/6c283d83eccd940bcde15634ac8c7f100e3caefd
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.9.14
- https://gitlab.gnome.org/GNOME/libxslt/-/tags
- https://lists.debian.org/debian-lts-announce/2022/05/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZOBT5Y6Y2QLDDX2HZGMV7MJMWGXORKK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3NVZVWFRBXBI3AKZZWUWY6INQQPQVSF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P5363EDV5VHZ5C77ODA43RYDCPMA7ARM/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FZOBT5Y6Y2QLDDX2HZGMV7MJMWGXORKK/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P3NVZVWFRBXBI3AKZZWUWY6INQQPQVSF/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P5363EDV5VHZ5C77ODA43RYDCPMA7ARM/
- https://security.gentoo.org/glsa/202210-03
- https://security.netapp.com/advisory/ntap-20220715-0006/
- https://www.debian.org/security/2022/dsa-5142
- https://www.oracle.com/security-alerts/cpujul2022.html