CVE-2023-2908: Libtiff: null pointer dereference in tif_dir.c
First published: Fri Jun 30 2023(Updated: )
A null pointer dereference issue was found in Libtiff's tif_dir.c file. This issue may allow an attacker to pass a crafted TIFF image file to the tiffcp utility which triggers a runtime error that causes undefined behavior. This will result in an application crash, eventually leading to a denial of service.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libtiff Libtiff | <=4.5.0 | |
| redhat/Libtiff | <4.5.1 | 4.5.1 |
| debian/tiff | <=4.2.0-1+deb11u5<=4.5.0-6+deb12u1 | 4.5.1+git230720-5 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-2908
- https://bugzilla.redhat.com/show_bug.cgi?id=2218830
- https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f
- https://gitlab.com/libtiff/libtiff/-/merge_requests/479
- https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html
- https://security.netapp.com/advisory/ntap-20230731-0004/
- https://launchpad.net/bugs/cve/CVE-2023-2908
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2218833
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2218832
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2218834
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2218835
- https://gitlab.com/libtiff/libtiff/-/commit/e813112545942107551433d61afd16ac094ff246
- https://security-tracker.debian.org/tracker/CVE-2023-2908
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2908
- https://nvd.nist.gov/vuln/detail/CVE-2023-2908
- https://ubuntu.com/security/CVE-2023-2908
Frequently Asked Questions
What is CVE-2023-2908?
CVE-2023-2908 is a null pointer dereference issue found in Libtiff's tif_dir.c file.
How does CVE-2023-2908 impact Libtiff?
CVE-2023-2908 allows an attacker to pass a crafted TIFF image file to the tiffcp utility, triggering a runtime error and causing undefined behavior.
What is the severity of CVE-2023-2908?
CVE-2023-2908 has a severity rating of medium with a CVSS score of 5.5.
How can I fix CVE-2023-2908?
To fix CVE-2023-2908, you should update Libtiff to version 4.5.1 or apply the appropriate security patches provided by your software vendor.
Where can I find more information about CVE-2023-2908?
You can find more information about CVE-2023-2908 on the official Red Hat Security Advisory and Bugzilla pages.
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