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CURL-CVE-2022-22576
No affected components available
libcurl might reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocols: SMTP(S), IMAP(S), POP3(S) and LDAP(S) (OpenLDAP only).
libcurl maintains a pool of live connections after a transfer has completed (sometimes called the connection cache). This pool of connections is then gone through when a new transfer is requested and if there is a live connection available that can be reused, it is preferred instead of creating a new one.
Due to this security vulnerability, a connection that is successfully created and authenticated with a username + OAUTH2 bearer could subsequently be erroneously reused even for user + [other OAUTH2 bearer], even though that might not even be a valid bearer. This could lead to an authentication bypass, either by mistake or by a malicious actor.
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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