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CURL-CVE-2022-32205
No affected components available
A malicious server can serve excessive amounts of Set-Cookie: headers in a
HTTP response to curl and curl stores all of them. A sufficiently large amount
of (big) cookies make subsequent HTTP requests to this, or other servers to
which the cookies match, create requests that become larger than the threshold
that curl uses internally to avoid sending crazy large requests (1048576
bytes) and instead returns an error.
This denial state might remain for as long as the same cookies are kept, match
and have not expired. Due to cookie matching rules, a server on
foo.example.com can set cookies that also would match for bar.example.com,
making it it possible for a "sister server" to effectively cause a denial of
service for a sibling site on the same second level domain using this method.
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 moderate. The vulnerability is likely 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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