GLSA 202007-49: Mozilla Network Security Service (NSS): Information disclosure

http://security.gentoo.org/

Severity:	low
Title:	Mozilla Network Security Service (NSS): Information disclosure
Date:	07/27/2020
Bugs:	#726842
ID:	202007-49

Synopsis

NSS has an information disclosure vulnerability when handling DSA keys.

Background

The Mozilla Network Security Service (NSS) is a library implementing security features like SSL v.2/v.3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME and X.509 certificates.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/nss	< 3.52.1	>= 3.52.1	All supported architectures

Description

NSS was found to not always perform constant-time operations when working with DSA key material.

Impact

An attacker may be able to obtain information about a DSA private key.

Workaround

There is no known workaround at this time.

Resolution

All NSS users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/nss-3.52.1"

References

CVE-2020-12399

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-49.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.