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Debian: DSA-2162-2 Critical Alert: OpenSSL Memory Crash Vulnerability

debian
Calendar Grey February 14, 2011
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The latest OpenSSL refresh targeting memory handling flaws uncovers possible remote exploitation threats in Debian platforms.
Neel Mehta discovered that an incorrectly formatted ClientHello handshake message could cause OpenSSL to parse past the end of the message
Topics%20covered

Topics Covered

security advisory debian remote attack openssl invalid memory access

Summary

Neel Mehta discovered that an incorrectly formatted ClientHello handshake
message could cause OpenSSL to parse past the end of the message. This
allows an attacker to crash an application using OpenSSL by triggering
an invalid memory access. Additionally, some applications may be vulnerable
to expose contents of a parsed OCSP nonce extension.

Packages in the oldstable distribution (lenny) are not affected by this
problem.

For the stable distribution (squeeze), this problem has been fixed in
version 0.9.8o-4squeeze1.

For the testing distribution (wheezy), this problem has been fixed in
version 0.9.8o-5.

For the unstable distribution (sid), this problem has been fixed in
version 0.9.8o-5.

We recommend that you upgrade your invalid memory access packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/




Severity
critical
Lowest
Low
Medium
High
Critical

Package: openssl
CVE ID: CVE-2011-0014

Topics%20covered

Topics Covered

security advisory debian remote attack openssl invalid memory access

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