The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, and other products, can encrypt 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 (CVE-2012-4929).
This issue has been resolved in Symantec Encryption Management Server 3.3.1 and above.
If updating to this version, or beyond is not immediately possible, there is a workaround to resolve this. Please contact Technical Support for assistance in implementing this workaround.
Etrack incident to address CVE-2012-4929
Imported Document ID: TECH199034
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