Division by zero in PuTTY - CVE-2013-4207
Published: August 20, 2013 / Updated: October 31, 2022
Vulnerability identifier: #VU42656
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4207
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a division by zero error within . A remote attacker can pass specially crafted data to the application and crash it.
Affected software
PuTTY
Gentoo Linux
Fedora
filezilla
Gentoo Linux
Fedora
filezilla
How to mitigate CVE-2013-4207
Install update from vendor's website.
filezilla - update to 3.7.3-1.el6
External References
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
- http://secunia.com/advisories/54379
- http://secunia.com/advisories/54533
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html
- http://www.debian.org/security/2013/dsa-2736
- http://www.openwall.com/lists/oss-security/2013/08/06/11