High severity · published Aug 31, 2021
CVE-2021-40330
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…
7.5
CVSS
2.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
GI
Git · Git-scm
before 2.30.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40330
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40330
Exploit
https://github.com/git/git/commit/a02ea577174ab8ed18f847cf1693f213e0b9c473
Patch
https://github.com/git/git/compare/v2.30.0...v2.30.1
Mailing List
https://lists.debian.org/debian-lts-announce/2022/10/msg00014.html
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