PublicDateAtUSN: 2017-01-11
Candidate: CVE-2017-5334
PublicDate: 2017-03-24 15:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5334
 https://gnutls.org/security.html#GNUTLS-SA-2017-1
 http://seclists.org/oss-sec/2017/q1/51
 https://ubuntu.com/security/notices/USN-3183-1
Description:
 Double free vulnerability in the gnutls_x509_ext_import_proxy function in
 GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have
 unspecified impact via crafted policy language information in an X.509
 certificate with a Proxy Certificate Information extension.
Ubuntu-Description:
Notes:
 mdeslaur> looks like this was introduced by
 mdeslaur> https://gitlab.com/gnutls/gnutls/commit/2bd323f728d75c44a2d7398503178b75e5b63263
Bugs:
Priority: medium
Discovered-by:
Assigned-to: mdeslaur
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL]

Patches_gnutls26:
upstream_gnutls26: not-affected
precise_gnutls26: not-affected
precise/esm_gnutls26: not-affected
trusty_gnutls26: not-affected
trusty/esm_gnutls26: not-affected
vivid/ubuntu-core_gnutls26: DNE
vivid/stable-phone-overlay_gnutls26: DNE
xenial_gnutls26: DNE
yakkety_gnutls26: DNE
zesty_gnutls26: DNE
artful_gnutls26: DNE
bionic_gnutls26: DNE
cosmic_gnutls26: DNE
disco_gnutls26: DNE
devel_gnutls26: DNE

Patches_gnutls28:
 upstream: https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b
 upstream: https://gitlab.com/gnutls/gnutls/commit/bbfd47d4bb6935b3eddae227deb9f340e2c1a69d (3.3)
upstream_gnutls28: released (3.5.8-1)
precise_gnutls28: ignored (reached end-of-life)
precise/esm_gnutls28: DNE (precise was needed)
trusty_gnutls28: ignored (reached end-of-life)
trusty/esm_gnutls28: DNE (trusty was needed)
vivid/stable-phone-overlay_gnutls28: ignored (reached end-of-life)
vivid/ubuntu-core_gnutls28: ignored (reached end-of-life)
xenial_gnutls28: released (3.4.10-4ubuntu1.2)
esm-infra/xenial_gnutls28: released (3.4.10-4ubuntu1.2)
yakkety_gnutls28: released (3.5.3-5ubuntu1.1)
zesty_gnutls28: released (3.5.6-4ubuntu3)
artful_gnutls28: released (3.5.6-4ubuntu3)
bionic_gnutls28: released (3.5.6-4ubuntu3)
cosmic_gnutls28: released (3.5.6-4ubuntu3)
disco_gnutls28: released (3.5.6-4ubuntu3)
devel_gnutls28: released (3.5.6-4ubuntu3)