CVE-2023-0803: Buffer Overflow
First published: Mon Feb 13 2023(Updated: )
LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3516, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libtiff Libtiff | <=4.4.0 | |
| debian/tiff | <=4.1.0+git191117-2~deb10u4 | 4.1.0+git191117-2~deb10u8 4.2.0-1+deb11u4 4.5.0-6 4.5.1+git230720-1 |
| 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://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0803.json
- https://gitlab.com/libtiff/libtiff/-/commit/33aee1275d9d1384791d2206776eb8152d397f00
- https://gitlab.com/libtiff/libtiff/-/issues/501
- https://lists.debian.org/debian-lts-announce/2023/02/msg00026.html
- https://security.gentoo.org/glsa/202305-31
- https://security.netapp.com/advisory/ntap-20230316-0002/
- https://www.debian.org/security/2023/dsa-5361
- https://security-tracker.debian.org/tracker/CVE-2023-0803
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2170189
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2170190
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2170188
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2170191
- https://access.redhat.com/errata/RHSA-2023:3711
- https://access.redhat.com/security/cve/cve-2023-0803
- https://access.redhat.com/errata/RHSA-2023:5353
- https://bugzilla.redhat.com/show_bug.cgi?id=2170187
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
Frequently Asked Questions
What is CVE-2023-0803?
CVE-2023-0803 is a vulnerability in LibTIFF version 4.4.0 that allows attackers to cause a denial-of-service via a crafted tiff file.
How can this vulnerability be exploited?
Attackers can exploit CVE-2023-0803 by using a crafted tiff file to trigger an out-of-bounds write in the tiffcrop tool of LibTIFF.
What is the severity of CVE-2023-0803?
CVE-2023-0803 has a severity level of medium.
How do I fix CVE-2023-0803?
Users can fix CVE-2023-0803 by updating to a fixed version of LibTIFF or by applying the fix available with commit 33aee127.
Where can I find more information about CVE-2023-0803?
You can find more information about CVE-2023-0803 at the following references: [Link 1](https://gitlab.com/libtiff/libtiff/-/commit/33aee1275d9d1384791d2206776eb8152d397f00), [Link 2](https://gitlab.com/libtiff/libtiff/-/issues/501), [Link 3](https://security-tracker.debian.org/tracker/CVE-2023-0803)
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