CVE-2022-0891: Buffer Overflow
A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3.0 allows attacker to trigger unsafe or out of bounds memory access via crafted TIFF image file which could result into application crash, potential information disclosure or any other context-dependent impact
Other sources
A heap buffer overflow in libtiff library Version 4.3.0 may allow an attacker to trigger an unsafe memory access. Using a crafted TIFF image file could result into application crash, potential information disclosure or any other context-dependent impact.
Upstream fix: https://gitlab.com/freedesktop-sdk/mirrors/gitlab/libtiff/libtiff/-/commit/232282fd8f9c21eefe8d2d2b96cdbbb172fe7b7c
— Red Hat
libtiff is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the ExtractImageSection function in tiffcrop.c. By using a specially-crafted TIFF file, a local authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
— IBM
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2022-0891?
CVE-2022-0891 is a high severity vulnerability due to the potential for heap buffer overflow leading to application crashes or information disclosure.
How do I fix CVE-2022-0891?
To fix CVE-2022-0891, update the affected software to the latest patched version as per the vendor's recommendations.
Which software is affected by CVE-2022-0891?
CVE-2022-0891 affects the libtiff library versions from 3.9.0 to 4.3.0, as well as specific versions of IBM Cognos Analytics and Debian distributions.
Can CVE-2022-0891 lead to remote code execution?
CVE-2022-0891 does not directly lead to remote code execution but can result in unsafe memory access that may compromise application integrity.
How can I determine if I am vulnerable to CVE-2022-0891?
You can determine vulnerability to CVE-2022-0891 by checking the version of libtiff and other affected software against the listed vulnerable versions.