CVE-2022-25314: Integer Overflow
First published: Fri Feb 18 2022(Updated: )
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Libexpat Project Libexpat | <2.4.5 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Oracle HTTP Server | =12.2.1.3.0 | |
| Oracle HTTP Server | =12.2.1.4.0 | |
| Oracle ZFS Storage Appliance Kit | =8.8 | |
| Siemens SINEMA Remote Connect Server | <3.1 | |
| redhat/mingw-expat | <0:2.4.8-1.el8 | 0:2.4.8-1.el8 |
| redhat/expat | <0:2.2.5-8.el8_6.2 | 0:2.2.5-8.el8_6.2 |
| redhat/expat | <0:2.2.10-12.el9_0.2 | 0:2.2.10-12.el9_0.2 |
| debian/expat | 2.2.6-2+deb10u4 2.2.6-2+deb10u6 2.2.10-2+deb11u5 2.5.0-1 2.5.0-2 |
Remedy
There is no known mitigation other than restricting applications using the expat library from processing untrusted XML content.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-25314 https://nvd.nist.gov/vuln/detail/CVE-2022-25314 https://blog.hartwork.org/posts/expat-2-4-5-released/
- https://bugzilla.redhat.com/show_bug.cgi?id=2056354
- https://access.redhat.com/errata/RHSA-2022:7811
- https://access.redhat.com/errata/RHSA-2022:5314
- https://access.redhat.com/errata/RHSA-2022:5244
- https://access.redhat.com/errata/RHSA-2022:7144
- https://access.redhat.com/security/cve/cve-2022-25314
- https://github.com/libexpat/libexpat/pull/560
- https://github.com/libexpat/libexpat/commit/efcb347440ade24b9f1054671e6bd05e60b4cafd
- https://security-tracker.debian.org/tracker/CVE-2022-25314
- http://www.openwall.com/lists/oss-security/2022/02/19/1
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220303-0008/
- https://www.debian.org/security/2022/dsa-5085
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2056356
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2056355
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2057432
- https://access.redhat.com/errata/RHSA-2022:7143
- https://android.googlesource.com/platform/external/expat/+/16ca7a9401c288814a087b7d5992683eb2d93605
- https://source.android.com/docs/security/bulletin/2022-09-01 (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2022-25314?
CVE-2022-25314 is a vulnerability in Expat (aka libexpat) before 2.4.5 that involves an integer overflow in copyString.
What is the severity of CVE-2022-25314?
The severity of CVE-2022-25314 is high, with a severity value of 7.5.
How does CVE-2022-25314 affect expat?
CVE-2022-25314 affects the encoding name parameter at the parser creation time in expat, potentially causing a denial of service.
How can I fix CVE-2022-25314?
To fix CVE-2022-25314, update Expat to version 2.4.5 or newer.
Where can I find more information about CVE-2022-25314?
More information about CVE-2022-25314 can be found in the references: [1] [2] [3].
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