Buffer overflow in libcaca - CVE-2021-3410
Published: September 27, 2022
Vulnerability identifier: #VU67673
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-3410
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Caca Labs
Affected software:
libcaca
libcaca
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the caca_resize90 function in libcaca/caca/canvas.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2021-3410
Install updates from vendor's website.
Sources
- https://bugzilla.redhat.com/show_bug.cgi?id=1928437
- https://github.com/cacalabs/libcaca/issues/52
- https://lists.debian.org/debian-lts-announce/2021/03/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/