CVE-2022-2868: Input Validation
First published: Tue Aug 16 2022(Updated: )
In libtiff's tiffcrop utility (tools/tiffcrop.c), a crafted file could supply an invalid crop_width and/or crop_length, and since these values were computed prior to the sanity check, invalid values could later cause out-of-bounds reads in reverseSamples16bits(). References: 1. <a href="https://gitlab.com/libtiff/libtiff/-/issues/335">https://gitlab.com/libtiff/libtiff/-/issues/335</a> 2. <a href="https://gitlab.com/libtiff/libtiff/-/merge_requests/294/diffs?commit_id=b258ed69a485a9cfb299d9f060eb2a46c54e5903">https://gitlab.com/libtiff/libtiff/-/merge_requests/294/diffs?commit_id=b258ed69a485a9cfb299d9f060eb2a46c54e5903</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libtiff Libtiff | <4.4.0 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| debian/tiff | <=4.1.0+git191117-2~deb10u4 | 4.1.0+git191117-2~deb10u8 4.2.0-1+deb11u4 4.2.0-1+deb11u5 4.5.0-6+deb12u1 4.5.1+git230720-3 |
| redhat/libtiff | <4.4.0 | 4.4.0 |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2118863
- https://lists.debian.org/debian-lts-announce/2023/01/msg00018.html
- https://www.debian.org/security/2023/dsa-5333
- https://gitlab.com/libtiff/libtiff/-/issues/335
- https://gitlab.com/libtiff/libtiff/-/merge_requests/294
- https://gitlab.com/libtiff/libtiff/-/commit/07d79fcac2ead271b60e32aeb80f7b4f3be9ac8c
- https://security-tracker.debian.org/tracker/CVE-2022-2868
- https://gitlab.com/libtiff/libtiff/-/merge_requests/294/diffs?commit_id=b258ed69a485a9cfb299d9f060eb2a46c54e5903
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2118865
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2118866
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2118864
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2118867
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2118868
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2118880
- https://access.redhat.com/errata/RHSA-2023:0095
- https://access.redhat.com/security/cve/cve-2022-2868
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
Frequently Asked Questions
What is CVE-2022-2868?
CVE-2022-2868 is a vulnerability in libtiff's tiffcrop utility that allows for out of bounds read and can cause a crash if a crafted file is supplied to tiffcrop.
What is the severity of CVE-2022-2868?
The severity of CVE-2022-2868 is medium with a CVSS score of 5.5.
How does CVE-2022-2868 affect libtiff?
CVE-2022-2868 affects libtiff versions up to and exclusive of 4.4.0.
How do I fix CVE-2022-2868 on Red Hat?
To fix CVE-2022-2868 on Red Hat, update to libtiff version 4.4.0 or later.
How do I fix CVE-2022-2868 on Debian Linux?
To fix CVE-2022-2868 on Debian Linux, update to tiff version 4.1.0+git191117-2~deb10u8 or later.
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