REDHAT-BUG-2064146: Divide by Zero
First published: Tue Mar 15 2022(Updated: )
Divide By Zero error in tiffcrop in libtiff 4.3.0 allows 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 f8d0f9aa. <a href="https://gitlab.com/libtiff/libtiff/-/merge_requests/310">https://gitlab.com/libtiff/libtiff/-/merge_requests/310</a> <a href="https://gitlab.com/libtiff/libtiff/-/issues/393">https://gitlab.com/libtiff/libtiff/-/issues/393</a> <a href="https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0909.json">https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0909.json</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libtiff | =4.3.0 |
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Reference Links
- https://gitlab.com/libtiff/libtiff/-/merge_requests/310
- https://gitlab.com/libtiff/libtiff/-/issues/393
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0909.json
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2064152
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2064150
- https://access.redhat.com/errata/RHSA-2022:7585
- https://access.redhat.com/errata/RHSA-2022:8194
- https://access.redhat.com/security/cve/cve-2022-0909
- https://bugzilla.redhat.com/show_bug.cgi?id=2064146
Frequently Asked Questions
What is the severity of REDHAT-BUG-2064146?
The severity of REDHAT-BUG-2064146 is high due to its potential to cause a denial-of-service.
How do I fix REDHAT-BUG-2064146?
To fix REDHAT-BUG-2064146, users who compile libtiff from sources should apply the fix available in commit f8d0f9aa.
Which versions of libtiff are affected by REDHAT-BUG-2064146?
The affected version of libtiff for REDHAT-BUG-2064146 is 4.3.0.
Can attackers exploit REDHAT-BUG-2064146?
Yes, attackers can exploit REDHAT-BUG-2064146 by using a crafted TIFF file to cause a denial-of-service.
What component is responsible for the vulnerability in REDHAT-BUG-2064146?
The component responsible for the vulnerability in REDHAT-BUG-2064146 is the tiffcrop function in libtiff.
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- vendor/libtiff
- canonical/libtiff