CVE-2019-11745

CVE Details

Release Date:	2020-01-08
Impact:	None	What is this?

Description

When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

See more information about CVE-2019-11745 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	8.8
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (nss-softokn)	ELSA-2019-4152	2019-12-11
Oracle Linux version 7 (nss)	ELSA-2019-4190	2019-12-11
Oracle Linux version 7 (nss-softokn)	ELSA-2019-4190	2019-12-11
Oracle Linux version 7 (nss-util)	ELSA-2019-4190	2019-12-11
Oracle Linux version 8 (nss)	ELSA-2019-4114	2019-12-09
Oracle VM version 3.3 (nss-softokn)	OVMSA-2019-0057	2019-12-17
Oracle VM version 3.4 (nss-softokn)	OVMSA-2019-0057	2019-12-17