CVE-2024-32040: FreeRDP vulnerable to integer underflow in nsc_rle_decode
First published: Mon Apr 22 2024(Updated: )
FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients that use a version of FreeRDP prior to 3.5.0 or 2.11.6 and have connections to servers using the `NSC` codec are vulnerable to integer underflow. Versions 3.5.0 and 2.11.6 patch the issue. As a workaround, do not use the NSC codec (e.g. use `-nsc`).
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/freerdp2 | <2.6.1+dfsg1-0ubuntu0.20.04.1 | 2.6.1+dfsg1-0ubuntu0.20.04.1 |
| ubuntu/freerdp2 | <2.6.1+dfsg1-3ubuntu2.6 | 2.6.1+dfsg1-3ubuntu2.6 |
| ubuntu/freerdp2 | <2.10.0+dfsg1-1.1ubuntu1.2 | 2.10.0+dfsg1-1.1ubuntu1.2 |
| ubuntu/freerdp2 | <2.11.6 | 2.11.6 |
| ubuntu/freerdp3 | <3.5.0+dfsg1-0ubuntu1 | 3.5.0+dfsg1-0ubuntu1 |
| ubuntu/freerdp3 | <3.5.0 | 3.5.0 |
| debian/freerdp2 | <=2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2<=2.3.0+dfsg1-2+deb10u4<=2.3.0+dfsg1-2+deb11u1<=2.10.0+dfsg1-1<=2.11.5+dfsg1-1 | |
| debian/freerdp3 | 3.5.1+dfsg1-3 | |
| redhat/FreeRDP | <3.5.0 | 3.5.0 |
| redhat/FreeRDP | <2.11.6 | 2.11.6 |
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Reference Links
- https://github.com/FreeRDP/FreeRDP/pull/10077
- https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-23c5-cp23-h2h5
- https://www.cve.org/CVERecord?id=CVE-2024-32040
- https://www.freerdp.com/2024/04/17/2_11_6-release
- https://ubuntu.com/security/notices/USN-6749-1
- https://nvd.nist.gov/vuln/detail/CVE-2024-32040
- https://launchpad.net/bugs/cve/CVE-2024-32040
- https://security-tracker.debian.org/tracker/CVE-2024-32040
- https://github.com/FreeRDP/FreeRDP/commit/5893b5f277db38b0040c572b078de838b84cfc07
- https://ubuntu.com/security/CVE-2024-32040
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2276747
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2276749
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2276745
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2276746
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2276751
- https://access.redhat.com/errata/RHSA-2024:9092
- https://bugzilla.redhat.com/show_bug.cgi?id=2276724
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