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CVE-2014-1569Date: (C)2014-12-31   (M)2018-05-12


The definite_length_decoder function in lib/util/quickder.c in Mozilla Network Security Services (NSS) before 3.16.2.4 and 3.17.x before 3.17.3 does not ensure that the DER encoding of an ASN.1 length is properly formed, which allows remote attackers to conduct data-smuggling attacks by using a long byte sequence for an encoding, as demonstrated by the SEC_QuickDERDecodeItem function's improper handling of an arbitrary-length encoding of 0x00.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 7.5
Exploit Score: 10.0
Impact Score: 6.4
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL
  
Reference:
SECTRACK-1032909
DSA-3186
SUSE-SU-2015:0171
SUSE-SU-2015:0173
SUSE-SU-2015:0180
http://www.intelsecurity.com/resources/wp-berserk-analysis-part-1.pdf
http://www.oracle.com/technetwork/topics/security/alerts-086861.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1064670
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.17.3_release_notes
https://www.imperialviolet.org/2014/09/26/pkcs1.html
https://www.reddit.com/r/netsec/comments/2hd1m8/rsa_signature_forgery_in_nss/cksnr02
openSUSE-SU-2015:0138
openSUSE-SU-2015:0404

OVAL    7
oval:org.secpod.oval:def:108306
oval:org.secpod.oval:def:108300
oval:org.secpod.oval:def:108293
oval:org.secpod.oval:def:702350
...

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