GoogleOSV:GHSA-V6WP-4M6F-GCJG`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.2 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.007 Low
EPSS
Percentile
80.5%
Impact
Open redirect vulnerability β a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
pip install aiohttp >= 3.7.4
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory:
- Open an issue in the aiohttp repo
- Email us at [email protected] and/or [email protected]
Credit: Jelmer VernooΔ³ and Beast Glatisant.
References
github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25
github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b
github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5
lists.fedoraproject.org/archives/list/[email protected]/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L
lists.fedoraproject.org/archives/list/[email protected]/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5
nvd.nist.gov/vuln/detail/CVE-2021-21330
pypi.org/project/aiohttp
security.gentoo.org/glsa/202208-19
www.debian.org/security/2021/dsa-4864
Related
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.2 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.007 Low
EPSS
Percentile
80.5%