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CVE-2014-1569

7.5 · HIGH

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 len…

Published Dec 15, 2014mozillaEPSS 3.18%

Overview

CVE-2014-1569 is a high-severity vulnerability affecting mozilla network_security_services. It was published on December 15, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update network_security_services to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
mozillanetwork_security_services0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2015-01/msg00024.htmlReflists.opensuse.org/opensuse-security-announce/2015-01/msg00032.htmlReflists.opensuse.org/opensuse-security-announce/2015-01/msg00033.htmlReflists.opensuse.org/opensuse-security-announce/2015-01/msg00036.htmlReflists.opensuse.org/opensuse-security-announce/2015-03/msg00000.htmlRefwww.debian.org/security/2015/dsa-3186Refwww.intelsecurity.com/resources/wp-berserk-analysis-part-1.pdfRefwww.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlRefwww.oracle.com/technetwork/topics/security/cpujul2015-2367936.htmlRefwww.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-1569?

CVE-2014-1569 is a high-severity vulnerability affecting mozilla network_security_services. It was published on December 15, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2014-1569?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-1569?

Check the references section for vendor advisories and patches from mozilla. Update network_security_services to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-1569?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-1569 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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