CVE-2017-5462

A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Weakness

The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Software

Potential Mitigations

• Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
• Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
• Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
• Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/128.html
• https://cwe.mitre.org/data/definitions/129.html

References

• http://www.securityfocus.com/bid/97940
• http://www.securitytracker.com/id/1038320
• https://bugzilla.mozilla.org/show_bug.cgi?id=1345089
• https://security.gentoo.org/glsa/201705-04
• https://www.debian.org/security/2017/dsa-3831
• https://www.debian.org/security/2017/dsa-3872
• https://www.mozilla.org/security/advisories/mfsa2017-10/
• https://www.mozilla.org/security/advisories/mfsa2017-11/
• https://www.mozilla.org/security/advisories/mfsa2017-12/
• https://www.mozilla.org/security/advisories/mfsa2017-13/