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

NSS has an information disclosure vulnerability when handling DSA keys.

Affected packages

dev-libs/nss on all architectures
Affected versions < 3.52.1
Unaffected versions >= 3.52.1

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.

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

Release date
July 27, 2020

Latest revision
July 27, 2020: 1

Severity
low

Exploitable
local, remote

Bugzilla entries