CVE-2021-40330

Ubuntu Security Notice USN-5076-1

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.

La función git_connect_git en el archivo connect.c en Git versiones anteriores a 2.30.1, permite que la ruta de un repositorio contenga un carácter de nueva línea, que puede resultar en peticiones inesperadas entre protocolos, como es demostrado en la subcadena git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1

An update that fixes one vulnerability is now available. This update for git fixes the following issues. Fixed unexpected cross-protocol requests via newline character in git_connect_git repository path. This update was imported from the SUSE:SLE-15:Update update project.

*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

2021-08-31 CVE Reserved
2021-08-31 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2025-04-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (3)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2022/10/msg00014.html	Mailing List

URL	Date	SRC
https://github.com/git/git/commit/a02ea577174ab8ed18f847cf1693f213e0b9c473	2024-08-04

URL	Date	SRC
https://github.com/git/git/compare/v2.30.0...v2.30.1	2022-11-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Git-scm Search vendor "Git-scm"		Git Search vendor "Git-scm" for product "Git"				< 2.30.1 Search vendor "Git-scm" for product "Git" and version " < 2.30.1"		-		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