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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:26598
[Rus]
Version
2
Class
patch
ALTXid
153873
Language
English
Severity
High
Title
ALAS-2015-575 -- security update for gnutls
Description
It was found that GnuTLS did not check activation and expiration dates of CA certificates. This could cause an application using GnuTLS to incorrectly accept a certificate as valid when its issuing CA is already expired. (CVE-2014-8155)
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. (CVE-2015-0282)
It was discovered that GnuTLS did not check if all sections of X.509 certificates indicate the same signature algorithm. This flaw, in combination with a different flaw, could possibly lead to a bypass of the certificate signature check. (CVE-2015-0294)
Family
unix
Platform
Amazon Linux AMI
Product
gnutls
Reference
VENDOR: ALAS-2015-575
VENDOR: ALAS-2015-575
Id:
ALAS-2015-575
Reference:
https://alas.aws.amazon.com/ALAS-2015-575.html
CVE: CVE-2014-8155
CVE: CVE-2014-8155
Id:
CVE-2014-8155
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8155
Comment
: GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CWE:
17 (Code)
References:
RHSA-2015:1457 (REDHAT)
https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c (CONFIRM)
73317 (BID)
https://support.f5.com/csp/article/K53330207 (CONFIRM)
CVE: CVE-2015-0282
CVE: CVE-2015-0282
Id:
CVE-2015-0282
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0282
Comment
: GnuTLS before 3.1.0 does not verify that the RSA PKCS #1 signature algorithm matches the signature algorithm in the certificate, which allows remote attackers to conduct downgrade attacks via unspecified vectors.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CWE:
310 (Cryptographic Issues)
References:
RHSA-2015:1457 (REDHAT)
DSA-3191 (DEBIAN)
http://www.gnutls.org/security.html (CONFIRM)
73119 (BID)
1032148 (SECTRACK)
CVE: CVE-2015-0294
CVE: CVE-2015-0294
Id:
CVE-2015-0294
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0294
Comment
: GnuTLS before 3.3.13 does not validate that the signature algorithms match when importing a certificate.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE:
295 (Certificate Issues)
References:
http://www.debian.org/security/2015/dsa-3191 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1196323 (MISC)
https://gitlab.com/gnutls/gnutls/commit/6e76e9b9fa845b76b0b9a45f05f4b54a052578ff (MISC)
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