diff options
author | Alex Legler <alex@a3li.li> | 2015-03-08 22:02:38 +0100 |
---|---|---|
committer | Alex Legler <alex@a3li.li> | 2015-03-08 22:02:38 +0100 |
commit | a24567fbc43f221b14e805f9bc0b7c6d16911c46 (patch) | |
tree | 910a04fe6ee560ac0eebac55f3cd2781c3519760 /glsa-200312-05.xml | |
download | glsa-a24567fbc43f221b14e805f9bc0b7c6d16911c46.tar.gz glsa-a24567fbc43f221b14e805f9bc0b7c6d16911c46.tar.bz2 glsa-a24567fbc43f221b14e805f9bc0b7c6d16911c46.zip |
Import existing advisories
Diffstat (limited to 'glsa-200312-05.xml')
-rw-r--r-- | glsa-200312-05.xml | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/glsa-200312-05.xml b/glsa-200312-05.xml new file mode 100644 index 00000000..bb254c01 --- /dev/null +++ b/glsa-200312-05.xml @@ -0,0 +1,74 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> + +<glsa id="200312-05"> + <title>GnuPG: ElGamal signing keys compromised and format string vulnerability</title> + <synopsis> + A bug in GnuPG allows ElGamal signing keys to be compromised, and a format + string bug in the gpgkeys_hkp utility may allow arbitrary code execution. + </synopsis> + <product type="ebuild">GnuPG</product> + <announced>2003-12-12</announced> + <revised>2003-12-12: 01</revised> + <bug>34504</bug> + <access>unknown</access> + <affected> + <package name="app-crypt/gnupg" auto="yes" arch="*"> + <unaffected range="ge">1.2.3-r5</unaffected> + <vulnerable range="le">1.2.3-r4</vulnerable> + </package> + </affected> + <background> + <p> + GnuPG is a popular open source signing and encryption tool. + </p> + </background> + <description> + <p> + Two flaws have been found in GnuPG 1.2.3. + </p> + <p> + First, ElGamal signing keys can be compromised. These keys are not commonly + used, but this is "a significant security failure which can lead to a + compromise of almost all ElGamal keys used for signing. Note that this is a + real world vulnerability which will reveal your private key within a few + seconds". + </p> + <p> + Second, there is a format string flaw in the 'gpgkeys_hkp' utility which + "would allow a malicious keyserver in the worst case to execute an arbitrary + code on the user's machine." + </p> + </description> + <impact type="minimal"> + <p> + If you have used ElGamal keys for signing your private key can be + compromised, and a malicious keyserver could remotely execute arbitrary code + with the permissions of the user running gpgkeys_hkp. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All users who have created ElGamal signing keys should immediately revoke + them. In addition, all Gentoo Linux machines with gnupg installed should be + updated to use gnupg-1.2.3-r5 or higher: + </p> + <code> + # emerge sync + # emerge -pv '>=app-crypt/gnupg-1.2.3-r5' + # emerge '>=app-crypt/gnupg-1.2.3-r5' + # emerge clean</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0971">CAN-2003-0971</uri> + <uri link="http://marc.theaimsgroup.com/?l=gnupg-announce&m=106992378510843&q=raw">GnuPG Announcement</uri> + <uri link="http://www.s-quadra.com/advisories/Adv-20031203.txt">S-Quadra Advisory</uri> + </references> +</glsa> |