CVE-2013-0176 - The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during n

CVE-2013-0176

Summary

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

References

Vulnerable Configurations

cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.3:*:*:*:*:*:*:*

CVSS

Base:	4.3 (as of 29-08-2017 - 01:32)
Impact:
Exploitability:

CWE

CWE-399

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:M/Au:N/C:N/I:N/A:P

refmap via4

confirm	http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
fedora	FEDORA-2013-1407 FEDORA-2013-1422
secunia	51982
ubuntu	USN-1707-1
xf	libssh-publickeyfromprivatekey-dos(81595)

Last major update

29-08-2017 - 01:32

Published

05-02-2013 - 23:55

Last modified

29-08-2017 - 01:32