CVE-2019-11729

nss: Empty or malformed p256-ECDH public keys may trigger a segmentation fault

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

Las claves públicas de p256-ECDH vacías o malformadas pueden desencadenar un fallo de segmentación debido a que los valores son saneados inapropiadamente antes de copiarlos en la memoria y usarlos. Esta vulnerabilidad afecta a Firefox ESR anterior a versión 60.8, Firefox anterior a versión 68 y Thunderbird anterior a versión 60.8.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-05-03 CVE Reserved
2019-07-11 CVE Published
2024-07-16 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (15)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html	2020-09-30
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html	2020-09-30
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html	2020-09-30
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html	2020-09-30
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html	2020-09-30
https://access.redhat.com/errata/RHSA-2019:1951	2020-09-30
https://access.redhat.com/errata/RHSA-2019:4190	2020-09-30
https://security.gentoo.org/glsa/201908-12	2020-09-30
https://security.gentoo.org/glsa/201908-20	2020-09-30
https://www.mozilla.org/security/advisories/mfsa2019-21	2020-09-30
https://www.mozilla.org/security/advisories/mfsa2019-22	2020-09-30
https://www.mozilla.org/security/advisories/mfsa2019-23	2020-09-30
https://access.redhat.com/security/cve/CVE-2019-11729	2019-12-10
https://bugzilla.redhat.com/show_bug.cgi?id=1728437	2019-12-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 68.0 Search vendor "Mozilla" for product "Firefox" and version " < 68.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 60.8.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 60.8.0"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 60.8.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 60.8.0"		-		Affected