CVE-2015-0282

Impact:
Moderate
Public Date:
2015-03-11
CWE:
CWE-295
Bugzilla:
1194371: CVE-2015-0282 gnutls: RSA PKCS#1 signature verification forgery
It was found that GnuTLS did not verify whether a hashing algorithm listed in a signature matched the hashing algorithm listed in the certificate. An attacker could create a certificate that used a different hashing algorithm than it claimed, possibly causing GnuTLS to use an insecure, disallowed hashing algorithm during certificate verification.

Find out more about CVE-2015-0282 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the version of gnutls package as shipped with Red Hat Enterprise Linux 7.

This issue affects the version of gnutls package as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS v2 metrics

Base Score 4
Base Metrics AV:N/AC:H/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (gnutls) RHSA-2015:1457 2015-07-21

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 gnutls Not affected
Red Hat Enterprise Linux 5 gnutls Will not fix
RHEV Manager 3 mingw-virt-viewer Will not fix

Acknowledgements

This issue was discovered by Nikos Mavrogiannopoulos of the Red Hat Security Technologies Team.

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