CVE-2023-40745: Libtiff: integer overflow in tiffcp.c
First published: Mon Aug 28 2023(Updated: )
LibTIFF is vulnerable to a denial of service, caused by an integer overflow in tiffcp.c. By persuading a victim to open a specially crafted tiff image file, a remote attacker could exploit this vulnerability to cause the application to crash.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libtiff | <4.6.0 | 4.6.0 |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 | |
| TIFF | <4.6.0 | |
| NetApp Active IQ Unified Manager for VMware vSphere | ||
| Red Hat Fedora | ||
| Red Hat Enterprise Linux | =8.0 | |
| Red Hat Enterprise Linux | =9.0 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-40745
- https://bugzilla.redhat.com/show_bug.cgi?id=2235265
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2224974
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2237199
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2237200
- https://access.redhat.com/errata/RHSA-2024:2289
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
Frequently Asked Questions
What is CVE-2023-40745?
CVE-2023-40745 is a vulnerability in LibTIFF that allows remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted tiff image.
How does CVE-2023-40745 affect LibTIFF?
CVE-2023-40745 affects LibTIFF versions up to but excluding version 4.6.0.
What is the severity level of CVE-2023-40745?
The severity level of CVE-2023-40745 is medium, with a CVSS score of 6.5.
How can I fix CVE-2023-40745?
To fix CVE-2023-40745, update LibTIFF to version 4.6.0 or later.
Where can I find more information about CVE-2023-40745?
You can find more information about CVE-2023-40745 in the following references: [Bugzilla Red Hat - ID 2224974](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2224974), [Bugzilla Red Hat - ID 2237199](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2237199), [Bugzilla Red Hat - ID 2237200](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2237200).
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