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CVE-2014-1569Date: (C)2014-12-31   (M)2018-04-14


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 V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 7.5
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: PARTIAL
Scope: Integrity: PARTIAL
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
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:22321
oval:org.secpod.oval:def:601992
oval:org.secpod.oval:def:702350
oval:org.secpod.oval:def:108209
...

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