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Test ID:1.3.6.1.4.1.25623.1.0.702456
Category:Debian Local Security Checks
Title:Debian Security Advisory DSA 2456-1 (dropbear - use after free)
Summary:Danny Fullerton discovered a use-after-free in the Dropbear SSH daemon,;resulting in potential execution of arbitrary code. Exploitation is;limited to users, who have been authenticated through public key;authentication and for which command restrictions are in place.
Description:Summary:
Danny Fullerton discovered a use-after-free in the Dropbear SSH daemon,
resulting in potential execution of arbitrary code. Exploitation is
limited to users, who have been authenticated through public key
authentication and for which command restrictions are in place.

Affected Software/OS:
dropbear on Debian Linux

Solution:
For the stable distribution (squeeze), this problem has been fixed in
version 0.52-5+squeeze1.

For the testing distribution (wheezy), this problem has been fixed in
version 2012.55-1.

For the unstable distribution (sid), this problem has been fixed in
version 2012.55-1.

We recommend that you upgrade your dropbear packages.

CVSS Score:
7.1

CVSS Vector:
AV:N/AC:H/Au:S/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-0920
BugTraq ID: 52159
http://www.securityfocus.com/bid/52159
Debian Security Information: DSA-2456 (Google Search)
http://www.debian.org/security/2012/dsa-2456
https://www.mantor.org/~northox/misc/CVE-2012-0920.html
http://www.osvdb.org/79590
http://secunia.com/advisories/48147
http://secunia.com/advisories/48929
XForce ISS Database: dropbear-code-execution(73444)
https://exchange.xforce.ibmcloud.com/vulnerabilities/73444
CopyrightCopyright (C) 2013 Greenbone Networks GmbH http://greenbone.net

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