| Name | CVE-2021-32134 |
| Description | The gf_odf_desc_copy function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 994746 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ccextractor (PTS) | buster | 0.87+ds1-1 | fixed |
| bullseye | 0.88+ds1-1 | fixed |
| gpac (PTS) | jessie, jessie (lts) | 0.5.0+svn5324~dfsg1-1+deb8u5 | vulnerable |
| stretch | 0.5.2-426-gc5ad4e4+dfsg5-3+deb9u1 | vulnerable |
| buster | 0.5.2-426-gc5ad4e4+dfsg5-5 | vulnerable |
| bullseye (security), bullseye | 1.0.1+dfsg1-4+deb11u3 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ccextractor | source | buster | (not affected) | | | |
| ccextractor | source | bullseye | (not affected) | | | |
| ccextractor | source | (unstable) | 0.93+ds2-1 | | | 994746 |
| gpac | source | jessie | (unfixed) | end-of-life | | |
| gpac | source | (unstable) | 2.0.0+dfsg1-2 | | | |
Notes
[bullseye] - gpac <ignored> (Minor issue)
[buster] - gpac <ignored> (Minor issue)
[stretch] - gpac <ignored> (Minor issue)
[bullseye] - ccextractor <not-affected> (Vulnerable code introduced later)
[buster] - ccextractor <not-affected> (Vulnerable code introduced later)
https://github.com/gpac/gpac/commit/328c6d682698fdb9878dbb4f282963d42c538c01 (v2.0.0)
https://github.com/gpac/gpac/issues/1756
The POC from the GitHub issue produces a SIGSEV in the stretch/buster version of gpac, but in an entirely different call chain; it appears to be a different issue altogether
It isn't clear if that means this CVE doesn't apply to stretch/buster, or if it is masking the issue with an earlier failure