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debianDebianDEBIAN:DSA-2456-1:BE1CF
HistoryApr 24, 2012 - 8:19 p.m.

[SECURITY] [DSA 2456-1] dropbear security update

2012-04-2420:19:21
lists.debian.org
16

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.01 Low

EPSS

Percentile

83.7%


Debian Security Advisory DSA-2456-1 [email protected]
http://www.debian.org/security/ Moritz Muehlenhoff
April 23, 2012 http://www.debian.org/security/faq


Package : dropbear
Vulnerability : use after free
Problem type : remote
Debian-specific: no
CVE ID : CVE-2012-0920

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.

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.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: [email protected]

OSVersionArchitecturePackageVersionFilename
Debian6alldropbear< 0.52-5+squeeze1dropbear_0.52-5+squeeze1_all.deb

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.01 Low

EPSS

Percentile

83.7%