CVE-2019-11719

nss: Out-of-bounds read when importing curve25519 private key

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

When importing a curve25519 private key in PKCS#8format 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.

Durante la importación de una clave privada de curve25519 en formato PKCS#8 con acarreo de 0x00 bytes, es posible activar una lectura fuera de límites en la biblioteca Network Security Services (NSS). Esto podría conllevar a la divulgación de información. 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* 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-125: Out-of-bounds Read

CAPEC

References (14)

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://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-2019-11719	2021-03-22
https://bugzilla.redhat.com/show_bug.cgi?id=1728436	2021-03-22

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