CVE-2020-29362

Summary

CVE	CVE-2020-29362
State	PUBLISHED
Assigner	mitre
Source Priority	CVE Program / NVD first with legacy fallback
Published	2020-12-16 14:15:12 UTC
Updated	2026-10-14 10:17:34 UTC
Description	An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem Types: CWE-125 | n/a

Version	Source	Type	Score	Severity	Vector
3.1	[email protected]	Primary	5.3	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`
2.0	[email protected]	Primary	5		`AV:N/AC:L/Au:N/C:P/I:N/A:N`

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

AV:N/AC:L/Au:N/C:P/I:N/A:N

Type	Vendor	Product	Version	Update	Edition	Language
Application	P11-kit Project	P11-kit	All	All	All	All

Source	Vendor	Product	Version	Platforms
CNA	Na	N/a	affected n/a	Not specified
ADP	Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	affected V3.1.0 V3.1.5 custom	Not specified
ADP	Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	affected V3.1.0 V3.1.5 custom	Not specified
ADP	Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	affected V3.1.0 V3.1.5 custom	Not specified
ADP	Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	affected V3.1.0 V3.1.5 custom	Not specified
ADP	Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	affected V3.1.0 V3.1.5 custom	Not specified

Reference	Source	Link	Tags
cert-portal.siemens.com/productcert/html/ssa-398330.html	0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	cert-portal.siemens.com
Debian -- Security Information -- DSA-4822-1 p11-kit	af854a3a-2127-422b-91ae-364da2661108	www.debian.org	Third Party Advisory
[SECURITY] [DLA 2513-1] p11-kit security update	af854a3a-2127-422b-91ae-364da2661108	lists.debian.org	Mailing List, Third Party Advisory
Out-of-bounds read in p11_rpc_buffer_get_byte_array function · Advisory · p11-glue/p11-kit · GitHub	af854a3a-2127-422b-91ae-364da2661108	github.com	Third Party Advisory
Releases · p11-glue/p11-kit · GitHub	af854a3a-2127-422b-91ae-364da2661108	github.com	Release Notes, Third Party Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

159195 Oracle Enterprise Linux Security Update for p11-kit (ELSA-2021-1609)
239329 Red Hat Update for p11-kit (RHSA-2021:1609)
377326 Alibaba Cloud Linux Security Update for p11-kit (ALINUX3-SA-2022:0088)
500505 Alpine Linux Security Update for p11-kit
504264 Alpine Linux Security Update for p11-kit
591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
690362 Free Berkeley Software Distribution (FreeBSD) Security Update for p11-kit (fdc49972-3ca7-11eb-929d-d4c9ef517024)
752361 SUSE Enterprise Linux Security Update for p11-kit (SUSE-SU-2022:2405-1)
752501 SUSE Enterprise Linux Security Update for p11-kit (SUSE-SU-2022:2871-1)
900150 CBL-Mariner Linux Security Update for p11-kit 0.23.16.1
903704 Common Base Linux Mariner (CBL-Mariner) Security Update for p11-kit (3707)
940143 AlmaLinux Security Update for p11-kit (ALSA-2021:1609)
960399 Rocky Linux Security Update for p11-kit (RLSA-2021:1609)