CVE-2022-23852: Integer Overflow
First published: Sun Jan 23 2022(Updated: )
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/expat | <0:2.1.0-14.el7_9 | 0:2.1.0-14.el7_9 |
| redhat/expat | <0:2.2.5-4.el8_5.3 | 0:2.2.5-4.el8_5.3 |
| redhat/expat | <0:2.2.5-4.el8_4.3 | 0:2.2.5-4.el8_4.3 |
| Libexpat Project Libexpat | <2.4.4 | |
| NetApp Clustered Data ONTAP | ||
| NetApp OnCommand Workflow Automation | ||
| Tenable Nessus | <8.15.3 | |
| Tenable Nessus | >=10.0.0<10.1.1 | |
| Oracle Communications Metasolv Solution | =6.3.1 | |
| Debian Debian Linux | =9.0 | |
| Siemens SINEMA Remote Connect Server | <3.1 | |
| Google Android | ||
| redhat/expat | <2.4.4 | 2.4.4 |
| ubuntu/expat | <2.2.5-3ubuntu0.4 | 2.2.5-3ubuntu0.4 |
| ubuntu/expat | <2.2.9-1ubuntu0.2 | 2.2.9-1ubuntu0.2 |
| ubuntu/expat | <2.4.1-2ubuntu0.1 | 2.4.1-2ubuntu0.1 |
| ubuntu/expat | <2.4.3-2 | 2.4.3-2 |
| ubuntu/expat | <2.4.3-2 | 2.4.3-2 |
| ubuntu/expat | <2.4.3-2 | 2.4.3-2 |
| ubuntu/expat | <2.4.3-2 | 2.4.3-2 |
| ubuntu/expat | <2.1.0-4ubuntu1.4+ | 2.1.0-4ubuntu1.4+ |
| ubuntu/expat | <2.1.0-7ubuntu0.16.04.5+ | 2.1.0-7ubuntu0.16.04.5+ |
| ubuntu/firefox | <1:1 | 1:1 |
| ubuntu/firefox | <1:1 | 1:1 |
| ubuntu/firefox | <1:1 | 1:1 |
| ubuntu/firefox | <1:1 | 1:1 |
| debian/expat | 2.2.6-2+deb10u4 2.2.6-2+deb10u7 2.2.10-2+deb11u5 2.5.0-1 2.6.2-1 |
Remedy
https://github.com/libexpat/libexpat/pull/550/commits/847a645152f5ebc10ac63b74b604d0c1a79fae40
Remedy
https://github.com/libexpat/libexpat/pull/550/commits/acf956f14bf79a5e6383a969aaffec98bfbc2e44
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-23852 https://nvd.nist.gov/vuln/detail/CVE-2022-23852 https://github.com/libexpat/libexpat/pull/550
- https://bugzilla.redhat.com/show_bug.cgi?id=2044613
- https://access.redhat.com/errata/RHSA-2022:1069
- https://access.redhat.com/errata/RHSA-2022:0951
- https://access.redhat.com/errata/RHSA-2022:4834
- https://access.redhat.com/errata/RHSA-2022:7144
- https://access.redhat.com/security/cve/cve-2022-23852
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://github.com/libexpat/libexpat/pull/550
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220217-0001/
- https://www.debian.org/security/2022/dsa-5073
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.tenable.com/security/tns-2022-05
- https://launchpad.net/bugs/cve/CVE-2022-23852
- https://android.googlesource.com/platform/external/expat/+/d6a09f1b7fb24dd03dc58e45062ad951a37ff8e3
- https://source.android.com/docs/security/bulletin/2022-09-01 (Advisory)
- https://bugzilla.suse.com/1195054
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2052320
- https://access.redhat.com/errata/RHSA-2022:7143
- https://github.com/libexpat/libexpat/commit/847a645152f5ebc10ac63b74b604d0c1a79fae40
- https://github.com/libexpat/libexpat/commit/acf956f14bf79a5e6383a969aaffec98bfbc2e44
- https://security-tracker.debian.org/tracker/CVE-2022-23852
- https://ubuntu.com/security/notices/USN-5288-1
- https://www.cve.org/CVERecord?id=CVE-2022-23852
- https://nvd.nist.gov/vuln/detail/CVE-2022-23852
- https://github.com/libexpat/libexpat/pull/550/commits/847a645152f5ebc10ac63b74b604d0c1a79fae40
- https://github.com/libexpat/libexpat/pull/550/commits/acf956f14bf79a5e6383a969aaffec98bfbc2e44
- https://ubuntu.com/security/CVE-2022-23852
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2022-23852?
CVE-2022-23852 is a vulnerability in expat (libexpat) that can cause process interruption due to an integer overflow when processing a large number of prefixed XML attributes on a single tag.
What is the severity of CVE-2022-23852?
The severity of CVE-2022-23852 is critical with a CVSS score of 9.8.
What is affected by CVE-2022-23852?
Expat (libexpat) versions before 2.4.4 are affected by CVE-2022-23852.
How can I fix CVE-2022-23852?
To fix CVE-2022-23852, update expat to version 2.4.4.
Where can I find more information about CVE-2022-23852?
You can find more information about CVE-2022-23852 at the following references: [link1](https://github.com/libexpat/libexpat/pull/550), [link2](https://bugzilla.suse.com/1195054), [link3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2052320).
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