CVE-2020-29361

p11-kit: integer overflow when allocating memory for arrays or attributes and object identifiers

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit library and the p11-kit list command, where overflow checks are missing before calling realloc or calloc.

Se detectó un problema en p11-kit versiones 0.21.1 hasta 0.23.21. Se han detectado múltiples desbordamientos de enteros en las asignaciones de matrices en la biblioteca de p11-kit y el comando de lista p11-kit, donde faltan comprobaciones de desbordamiento antes de llamar a realloc o calloc

*Credits: N/A

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

2020-01-01 CVE Published
2020-11-27 CVE Reserved
2024-08-04 CVE Updated
2024-11-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (8)

URL	Tag	Source
https://github.com/p11-glue/p11-kit/releases	Release Notes
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-q4r3-hm6m-mvc2	Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E	Mailing List
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.debian.org/security/2021/dsa-4822	2023-11-07
https://access.redhat.com/security/cve/CVE-2020-29361	2021-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=1903592	2021-05-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
P11-kit Project Search vendor "P11-kit Project"		P11-kit Search vendor "P11-kit Project" for product "P11-kit"				>= 0.21.1 <= 0.23.21 Search vendor "P11-kit Project" for product "P11-kit" and version " >= 0.21.1 <= 0.23.21"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected