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GLSA-201203-12 : OpenSSL: Multiple vulnerabilities
high Nessus Plugin ID 58222
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Synopsis
The remote Gentoo host is missing one or more security-related patches.Description
The remote host is affected by the vulnerability described in GLSA-201203-12 (OpenSSL: Multiple vulnerabilities)Multiple vulnerabilities have been found in OpenSSL:
Timing differences for decryption are exposed by CBC mode encryption in OpenSSL’s implementation of DTLS (CVE-2011-4108).
A policy check failure can result in a double-free error when X509_V_FLAG_POLICY_CHECK is set (CVE-2011-4109).
Clients and servers using SSL 3.0 handshakes do not clear the block cipher padding, allowing a record to contain up to 15 bytes of uninitialized memory, which could include sensitive information (CVE-2011-4576).
Assertion errors can occur during the handling of malformed X.509 certificates when OpenSSL is built with RFC 3779 support (CVE-2011-4577).
A resource management error can occur when OpenSSL’s server gated cryptography (SGC) does not properly handle handshake restarts (CVE-2011-4619).
Invalid parameters in the GOST block cipher are not properly handled by the GOST ENGINE(CVE-2012-0027).
An incorrect fix for CVE-2011-4108 creates an unspecified vulnerability for DTLS applications using OpenSSL (CVE-2012-0050).
Impact :
A remote attacker may be able to cause a Denial of Service or obtain sensitive information, including plaintext passwords.
Workaround :
There is no known workaround at this time.
Solution
All OpenSSL users should upgrade to the latest version:# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/openssl-1.0.0g'
See Also
Plugin Details
Severity: High
ID: 58222
File Name: gentoo_GLSA-201203-12.nasl
Version: 1.23
Type: local
Family: Gentoo Local Security Checks
Published: 3/6/2012
Updated: 1/6/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 6.9
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:gentoo:linux:openssl, cpe:/o:gentoo:linux
Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list
Exploit Ease: No known exploits are available
Patch Publication Date: 3/6/2012
Reference Information
CVE: CVE-2011-4108, CVE-2011-4109, CVE-2011-4576, CVE-2011-4577, CVE-2011-4619, CVE-2012-0027, CVE-2012-0050
GLSA: 201203-12