CVE-2022-27536

Gentoo Linux Security Advisory 202208-02

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Certificate.Verify in crypto/x509 in Go 1.18.x before 1.18.1 can be caused to panic on macOS when presented with certain malformed certificates. This allows a remote TLS server to cause a TLS client to panic.

Certificate.Verify en crypto/x509 en Go versiones 1.18.x anteriores a 1.18.1, puede causar pánico en macOS cuando son presentados determinados certificados malformados. Esto permite que un servidor TLS remoto cause que un cliente TLS entre en pánico

An update that solves three vulnerabilities and has two fixes is now available. This update for go1.18 fixes the following issues. Fixed a stack overflow in Decode in encoding/pem. Fixed a crash due to refused oversized scalars in generic P-256. Fixed a crash in Certificate.Verify in crypto/x509.

*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

2022-03-21 CVE Reserved
2022-04-20 CVE Published
2024-08-03 CVE Updated
2025-05-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (5)

URL	Tag	Source
https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
https://security.netapp.com/advisory/ntap-20230309-0001

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://groups.google.com/g/golang-announce	2023-03-09
https://groups.google.com/g/golang-announce/c/oecdBNLOml8	2023-03-09
https://security.gentoo.org/glsa/202208-02	2023-03-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Golang Search vendor "Golang"	Go Search vendor "Golang" for product "Go"	>= 1.18.0 < 1.18.1 Search vendor "Golang" for product "Go" and version " >= 1.18.0 < 1.18.1"	-	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe