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Debian Security Advisory DSA-2730-1                   security@debian.org
http://www.debian.org/security/                           Thijs Kinkhorst
July 29, 2013                          http://www.debian.org/security/faq
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Package        : gnupg
Vulnerability  : information leak
Problem type   : local
Debian-specific: no
CVE ID         : CVE-2013-4242
Debian Bug     : 717880

Yarom and Falkner discovered that RSA secret keys could be leaked via
a side channel attack, where a malicious local user could obtain private
key information from another user on the system.

This update fixes this issue for the 1.4 series of GnuPG. GnuPG 2.x is
affected through its use of the libgcrypt11 library, a fix for which
will be published in DSA 2731.

For the oldstable distribution (squeeze), this problem has been fixed in
version 1.4.10-4+squeeze2.

For the stable distribution (wheezy), this problem has been fixed in
version 1.4.12-7+deb7u1.

For the unstable distribution (sid), this problem has been fixed in
version 1.4.14-1.

We recommend that you upgrade your gnupg 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: debian-security-announce@lists.debian.org

Debian: DSA-2730-1: gnupg security update

July 29, 2013
Yarom and Falkner discovered that RSA secret keys could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on ...

Summary

This update fixes this issue for the 1.4 series of GnuPG. GnuPG 2.x is
affected through its use of the libgcrypt11 library, a fix for which
will be published in DSA 2731.

For the oldstable distribution (squeeze), this problem has been fixed in
version 1.4.10-4+squeeze2.

For the stable distribution (wheezy), this problem has been fixed in
version 1.4.12-7+deb7u1.

For the unstable distribution (sid), this problem has been fixed in
version 1.4.14-1.

We recommend that you upgrade your gnupg 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: debian-security-announce@lists.debian.org

Severity
Yarom and Falkner discovered that RSA secret keys could be leaked via
a side channel attack, where a malicious local user could obtain private
key information from another user on the system.

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