CVE-2022-29824
MEDIUMCVSS 6.5/10EPSS 3.40%
Last modified
CVE-2022-29824 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 3.40% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxml2 | < 2.9.14 |
| Xmlsoft | Libxslt | <= 1.1.35 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Clustered Data Ontap | All versions |
| Netapp | Clustered Data Ontap Antivirus Connector | All versions |
| Netapp | Manageability Software Development Kit | All versions |
| Netapp | Ontap Select Deploy Administration Utility | All versions |
| Netapp | Smi-S Provider | All versions |
| Netapp | Snapdrive | All versions |
| Netapp | Snapmanager | All versions |
| Netapp | Solidfire \& Hci Management Node | All versions |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | H410c Firmware | All versions |
References
- http://packetstormsecurity.com/files/167345/libxml2-xmlBufAdd-Heap-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/169825/libxml2-xmlParseNameComplex-Integer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/2554a2408e09f13652049e5ffb0d26196b02ebabPatch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/6c283d83eccd940bcde15634ac8c7f100e3caefdPatch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.9.14Release Notes, Third Party Advisory
- https://gitlab.gnome.org/GNOME/libxslt/-/tagsProduct, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00023.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202210-03Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220715-0006/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5142Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
- http://packetstormsecurity.com/files/167345/libxml2-xmlBufAdd-Heap-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/169825/libxml2-xmlParseNameComplex-Integer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/2554a2408e09f13652049e5ffb0d26196b02ebabPatch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/6c283d83eccd940bcde15634ac8c7f100e3caefdPatch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.9.14Release Notes, Third Party Advisory
- https://gitlab.gnome.org/GNOME/libxslt/-/tagsProduct, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00023.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202210-03Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220715-0006/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5142Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-29824?
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.
How severe is CVE-2022-29824?
CVE-2022-29824 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 3.40% probability of exploitation in the next 30 days.
How do I fix CVE-2022-29824?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-29824?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST