Format string error in libpano13 - CVE-2021-20307
Published: June 15, 2023
Vulnerability identifier: #VU77454
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-20307
CWE-ID: CWE-134
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libpano13
libpano13
Software vendor:
Panorama Tools
Panorama Tools
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a format string error within the panoFileOutputNamesCreate() function. A remote attacker can supply a specially crafted input that contains format string specifiers and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.
External links
- https://sourceforge.net/projects/panotools/files/libpano13/libpano13-2.9.20/
- https://bugzilla.redhat.com/show_bug.cgi?id=1946284
- https://lists.debian.org/debian-lts-announce/2021/04/msg00010.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYDYBKHT2MNMQCUMAVJNZW4VH6MD5BOF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JE6YZSXNVD6WZ3AG3ENL2DIHQFF24LYX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FVJRXUOBN56ZWP6QQ3NTA6DIFZMDZAEQ/
- https://security.gentoo.org/glsa/202107-47