CVE-2022-21716
Buffer Overflow in Twisted
Description
Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 22.2.0, Twisted SSH client and server implement is able to accept an infinite amount of data for the peer's SSH version identifier. This ends up with a buffer using all the available memory. The attach is a simple as `nc -rv localhost 22 < /dev/zero`. A patch is available in version 22.2.0. There are currently no known workarounds.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
oracle
commercial·USaka oracle corp.
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
twisted
oss-projectaka twisted python
twistedLibrary
OSS Libraries / pypidebian
oss-project·GBaka debian gnu/linux
fedoraproject
oss-project·USaka fedora project
PyPI
package-ecosystem
and 5 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
3 techniques Impact
Initial Access
Privilege Escalation
References
https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9
github.com
https://github.com/twisted/twisted/releases/tag/twisted-22.2.0
github.com
https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx
github.com
and 23 more references View all →
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