CVE-2019-11719 Information

Description

When importing a curve25519 private key in PKCS8format with leading 0x00 bytes it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR 60.8 Firefox 68 and Thunderbird 60.8.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html https://access.redhat.com/errata/RHSA-2019:1951 https://bugzilla.mozilla.org/show_bug.cgi?id=1540541 https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html https://security.gentoo.org/glsa/201908-12 https://security.gentoo.org/glsa/201908-20 https://www.mozilla.org/security/advisories/mfsa2019-21/ https://www.mozilla.org/security/advisories/mfsa2019-22/ https://www.mozilla.org/security/advisories/mfsa2019-23/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5