aiohttp's ClientSession is vulnerable to CRLF injection via version
CVE-2023-49081

5.3MEDIUM

Key Information:

Vendor

aio-libs

Status
aiohttp
Vendor
CVE Published:
30 November 2023

What is CVE-2023-49081?

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Improper validation made it possible for an attacker to modify the HTTP request (e.g. to insert a new header) or create a new HTTP request if the attacker controls the HTTP version. The vulnerability only occurs if the attacker can control the HTTP version of the request. This issue has been patched in version 3.9.0.

Affected Version(s)

aiohttp < 3.9.0

References

https://github.com/aio-libs/aiohttp/security/advisories/G...
x_refsource_CONFIRM
https://github.com/aio-libs/aiohttp/pull/7835/files
x_refsource_MISC
https://github.com/aio-libs/aiohttp/commit/1e86b777e61cf4...
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2023-49081 : aiohttp's ClientSession is vulnerable to CRLF injection via version