Vulnerability Name: | CVE-2013-4207 (CCN-86267) | ||||||||||||||||||||||||
Assigned: | 2013-08-06 | ||||||||||||||||||||||||
Published: | 2013-08-06 | ||||||||||||||||||||||||
Updated: | 2021-08-06 | ||||||||||||||||||||||||
Summary: | Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206. | ||||||||||||||||||||||||
CVSS v3 Severity: | 7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
| ||||||||||||||||||||||||
CVSS v2 Severity: | 4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P) 3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
5.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
| ||||||||||||||||||||||||
Vulnerability Type: | CWE-119 | ||||||||||||||||||||||||
Vulnerability Consequences: | Gain Access | ||||||||||||||||||||||||
References: | Source: CCN Type: tortoisegit GIT Repository Release 1.8.5.0 Source: MITRE Type: CNA CVE-2013-4207 Source: SUSE Type: UNKNOWN openSUSE-SU-2013:1347 Source: CCN Type: oss-sec mailing list, Tue, 06 Aug 2013 17:45:13 -0600 Re: CVE request: three additional flaws fixed in putty 0.63 Source: SECUNIA Type: Vendor Advisory 54379 Source: CCN Type: SA54415 FileZilla Client PuTTY Multiple Vulnerabilities Source: SECUNIA Type: UNKNOWN 54533 Source: CCN Type: SA54599 TortoiseGit PuTTY PLink Multiple Integer Overflow Vulnerabilities Source: CCN Type: PuTTY SVN Repository Revision 9996 Source: CCN Type: PuTTY Web Site PuTTY Download Page Source: CONFIRM Type: Vendor Advisory http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html Source: DEBIAN Type: UNKNOWN DSA-2736 Source: DEBIAN Type: DSA-2736 putty -- several vulnerabilities Source: MLIST Type: UNKNOWN [oss-security] 20130806 CVE request: three additional flaws fixed in putty 0.63 Source: CCN Type: BID-61649 PuTTY DSA Signature CVE-2013-4207 Remote Buffer Overflow Vulnerability Source: XF Type: UNKNOWN putty-cve20134207-bo(86267) Source: CCN Type: FileZilla Web Site FileZilla Client 3.7.3 released Source: CCN Type: WhiteSource Vulnerability Database CVE-2013-4207 | ||||||||||||||||||||||||
Vulnerable Configuration: | Configuration 1: Configuration CCN 1: Denotes that component is vulnerable | ||||||||||||||||||||||||
Oval Definitions | |||||||||||||||||||||||||
| |||||||||||||||||||||||||
BACK |