Debian Security Advisory DSA 1195-1 (openssl096)

Published: 2008-01-17 22:13:11
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C

Recommendations:
For the stable distribution (sarge) these problems have been fixed in version 0.9.6m-1sarge4 This Linux Distribution Package exists only for compatibility with older software, and is not present in the unstable or testing branches of Debian. We recommend that you upgrade your openssl096 Linux Distribution Package. Note that https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201195-1

Summary:
The remote host is missing an update to openssl096 announced via advisory DSA 1195-1. Multiple vulnerabilities have been discovered in the OpenSSL cryptographic software Linux Distribution Package that could allow an attacker to launch a denial of service attack by exhausting system resources or crashing processes on a victim's computer. CVE-2006-3738 Tavis Ormandy and Will Drewry of the Google Security Team discovered a buffer overflow in SSL_get_shared_ciphers utility function, used by some applications such as exim and mysql. An attacker could send a list of ciphers that would overrun a buffer. CVE-2006-4343 Tavis Ormandy and Will Drewry of the Google Security Team discovered a possible DoS in the sslv2 client code. Where a client application uses OpenSSL to make a SSLv2 connection to a malicious server that server could cause the client to crash. CVE-2006-2940 Dr S N Henson of the OpenSSL core team and Open Network Security recently developed an ASN1 test suite for NISCC (www.niscc.gov.uk). When the test suite was run against OpenSSL a DoS was discovered. Certain types of public key can take disproportionate amounts of time to process. This could be used by an attacker in a denial of service attack.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2006-2940
https://nvd.nist.gov/vuln/detail/CVE-2006-3738
https://nvd.nist.gov/vuln/detail/CVE-2006-4343

Severity
High
CVSS Score
10.0
Published
2008-01-17
Modified
2017-07-07
Category
Debian Local Security Checks

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