CVE-2019-11745

CVE Details

Release Date:

2020-01-08

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

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	8.8	Base Metrics:	AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Access 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

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team