CVE-2013-1623 Information

Description

The TLS and DTLS implementations in wolfSSL CyaSSL before 2.5.0 do not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets a related issue to CVE-2013-0169.

Reference

http://openwall.com/lists/oss-security/2013/02/05/24 http://secunia.com/advisories/53372 http://security.gentoo.org/glsa/glsa-201308-06.xml http://www.isg.rhul.ac.uk/tls/TLStiming.pdf http://www.yassl.com/yaSSL/Blog/Entries/2013/2/5_WolfSSL2C_provider_of_CyaSSL_Embedded_SSL2C_releases_first_embedded_TLS_and_DTLS_protocol_fix_for_Lucky_Thirteen_Attack.html