PT-2022-21151
CVE-2022-32205
·
Published
2022-06-27
·
Updated
2026-09-18
Description by
CVSS 3.1
4.3
MediumMetricsAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions
curl versions prior to 7.84.0
Description
A malicious server can serve excessive amounts of
Set-Cookie: headers in a HTTP response to curl. This can cause subsequent HTTP requests to become larger than the internal threshold of 1048576 bytes, resulting in an error. The denial state might remain for as long as the same cookies are kept and haven't expired. Due to cookie matching rules, a server can set cookies that also match for other servers on the same second level domain, making it possible for a "sister server" to effectively cause a denial of service for a sibling site.Recommendations
For versions prior to 7.84.0, update to curl version 7.84.0 to resolve the issue. As a temporary workaround, consider restricting the use of the
Set-Cookie: header or clearing excessive cookies to minimize the risk of exploitation.Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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