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OpenSSL: Remote execution of arbitrary code


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200710-30 / openssl
Release Date October 27, 2007
Latest Revision October 30, 2007: 03
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-libs/openssl < 0.9.8f >= 0.9.8f All supported architectures

Related bugreports: #195634


OpenSSL contains a vulnerability allowing execution of arbitrary code or a Denial of Service.

2.  Impact Information


OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general purpose cryptography library.


Andy Polyakov reported a vulnerability in the OpenSSL toolkit, that is caused due to an unspecified off-by-one error within the DTLS implementation.


A remote attacker could exploit this issue to execute arbitrary code or cause a Denial of Service. Only clients and servers explicitly using DTLS are affected, systems using SSL and TLS are not.

3.  Resolution Information


There is no known workaround at this time.


All OpenSSL users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/openssl-0.9.8f"

4.  References


Page updated October 27, 2007

Summary: This is a Gentoo Linux Security Advisory

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