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[ GLSA 200703-22 ] Mozilla Network Security Service: Remote execution of arbitrary code
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GLSA
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PostPosted: Tue Mar 20, 2007 11:26 pm    Post subject: [ GLSA 200703-22 ] Mozilla Network Security Service: Remote Reply with quote

Gentoo Linux Security Advisory

Title: Mozilla Network Security Service: Remote execution of arbitrary code (GLSA 200703-22)
Severity: normal
Exploitable: remote
Date: March 20, 2007
Bug(s): #165555
ID: 200703-22

Synopsis

The Mozilla Network Security Services libraries are vulnerable to two buffer overflows that could result in the remote execution of arbitrary code.

Background

The Mozilla Network Security Service is a library implementing security features like SSL v2/v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME and X.509 certificates.

Affected Packages

Package: dev-libs/nss
Vulnerable: < 3.11.5
Unaffected: >= 3.11.5
Architectures: All supported architectures


Description

iDefense has reported two potential buffer overflow vulnerabilities found by researcher "regenrecht" in the code implementing the SSLv2 protocol.

Impact

A remote attacker could send a specially crafted SSL master key to a server using NSS for the SSLv2 protocol, or entice a user to connect to a malicious server with a client-side application using NSS like one of the Mozilla products. This could trigger the vulnerabilities and result in the possible execution of arbitrary code with the rights of the vulnerable application.

Workaround

Disable the SSLv2 protocol in the applications using NSS.

Resolution

All NSS users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/nss-3.11.5"


References

CVE-2007-0008
CVE-2007-0009


Last edited by GLSA on Tue Nov 11, 2008 4:20 am; edited 2 times in total
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