CVE-2012-4930

Description

The SPDY protocol 3 and earlier, as used in Mozilla Firefox, Google Chrome, and other products, can perform TLS encryption of compressed data without properly obfuscating the length of the unencrypted data, which allows man-in-the-middle attackers to obtain plaintext HTTP headers by observing length differences during a series of guesses in which a string in an HTTP request potentially matches an unknown string in an HTTP header, aka a "CRIME" attack.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

• http://arstechnica.com/security/2012/09/crime-hijacks-https-sessions/
• http://isecpartners.com/blog/2012/9/14/details-on-the-crime-attack.html
• http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
• http://threatpost.com/en_us/blogs/crime-attack-uses-compression-ratio-tls-requests-side-channel-hijack-secure-sessions-091312
• http://www.ekoparty.org/2012/thai-duong.php
• http://www.iacr.org/cryptodb/data/paper.php?pubkey=3091
• http://www.theregister.co.uk/2012/09/14/crime_tls_attack/
• https://bugzilla.redhat.com/show_bug.cgi?id=857737
• https://community.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltls
• http://arstechnica.com/security/2012/09/crime-hijacks-https-sessions/
• http://isecpartners.com/blog/2012/9/14/details-on-the-crime-attack.html
• http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
• http://threatpost.com/en_us/blogs/crime-attack-uses-compression-ratio-tls-requests-side-channel-hijack-secure-sessions-091312
• http://www.ekoparty.org/2012/thai-duong.php
• http://www.iacr.org/cryptodb/data/paper.php?pubkey=3091
• http://www.theregister.co.uk/2012/09/14/crime_tls_attack/
• https://bugzilla.redhat.com/show_bug.cgi?id=857737
• https://community.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltls

CWEs

CWE-310