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CVE-2012-4930

2.6 · LOW

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 unencryp…

Published Sep 15, 2012googleCWE-310EPSS 2.08%

Overview

CVE-2012-4930 is a low-severity vulnerability affecting google chrome. It was published on September 15, 2012 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from google. Update chrome to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarstechnica.com/security/2012/09/crime-hijacks-https-sessions/Refisecpartners.com/blog/2012/9/14/details-on-the-crime-attack.htmlReflists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlRefthreatpost.com/en_us/blogs/crime-attack-uses-compression-ratio-tls-requests-side-channel-hijack-secure-sessions-091312Refwww.ekoparty.org/2012/thai-duong.phpRefwww.iacr.org/cryptodb/data/paper.php?pubkey=3091Refwww.theregister.co.uk/2012/09/14/crime_tls_attack/Refbugzilla.redhat.com/show_bug.cgi?id=857737Refcommunity.qualys.com/blogs/securitylabs/2012/09/14/crime-information-leakage-attack-against-ssltlsRefarstechnica.com/security/2012/09/crime-hijacks-https-sessions/

How CyberStrike helps

Frequently asked questions

What is CVE-2012-4930?

CVE-2012-4930 is a low-severity vulnerability affecting google chrome. It was published on September 15, 2012 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2012-4930?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-4930?

Check the references section for vendor advisories and patches from google. Update chrome to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-4930?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-4930 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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