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CVE-2014-1569

Status Candidate

Overview

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.

Related Files

Mandriva Linux Security Advisory 2015-059
Posted Mar 16, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-059 - Multiple vulnerabilities has been found and corrected in the Mozilla NSS and NSPR packages. The updated packages provides a solution for these security issues.

tags | advisory, vulnerability
systems | linux, mandriva
advisories | CVE-2014-1492, CVE-2014-1544, CVE-2014-1545, CVE-2014-1568, CVE-2014-1569
SHA-256 | 59256243393f23f58ede14a8157f3106d5b951ae5d805857b9f01d335602857b
Debian Security Advisory 3186-1
Posted Mar 13, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3186-1 - It was discovered that the Mozilla Network Security Service library (nss) incorrectly handled certain ASN.1 lengths. A remote attacker could possibly use this issue to perform a data-smuggling attack.

tags | advisory, remote
systems | linux, debian
advisories | CVE-2014-1569
SHA-256 | 7294ffa98790572d8f3abed1868667796a0c483dfdc3d3fb6c341a264192e061
Ubuntu Security Notice USN-2452-1
Posted Jan 7, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2452-1 - It was discovered that NSS incorrectly handled certain ASN.1 lengths. A remote attacker could possibly use this issue to perform a data-smuggling attack.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2014-1569
SHA-256 | 4a188e5586b1601d16f2403dd19db5371bbd99e010db7e131164f00ecae65f7e
Mandriva Linux Security Advisory 2014-252
Posted Dec 16, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-252 - In the QuickDER decoder in NSS before 3.17.3, ASN.1 DER decoding of lengths is too permissive, allowing undetected smuggling of arbitrary data. This update adds support for the TLS Fallback Signaling Cipher Suite Value in NSS, which can be used to prevent protocol downgrade attacks against applications which re-connect using a lower SSL/TLS protocol version when the initial connection indicating the highest supported protocol version fails. This can prevent a forceful downgrade of the communication to SSL 3.0, mitigating also known as POODLE. SSL 3.0 support has also been disabled by default in this Firefox and Thunderbird update, further mitigating POODLE.

tags | advisory, arbitrary, protocol
systems | linux, mandriva
advisories | CVE-2014-1569
SHA-256 | 70a783dd698c32c35cc4ba737ea20e314d2dfed051a171704672b2b3fa1c0075
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