CVE-2023-46218 — Improper Handling of Case Sensitivity in Curl
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 39.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 7
Latest updateJan 15
Description
This flaw allows a malicious HTTP server to set "super cookies" in curl that
are then passed back to more origins than what is otherwise allowed or
possible. This allows a site to set cookies that then would get sent to
different and unrelated sites and domains.
It could do this by exploiting a mixed case flaw in curl's function that
verifies a given cookie domain against the Public Suffix List (PSL). For
example a cookie could be set with `domain=co.UK` when the URL used a lower
case hostname …
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5
Patches
🔴Vulnerability Details
5OSV▶
CVE-2023-46218: This flaw allows a malicious HTTP server to set "super cookies" in curl that
are then passed back to more origins than what is otherwise allowed or
po↗2023-12-07
OSV▶
CVE-2023-46218: This flaw allows a malicious HTTP server to set "super cookies" in curl that are then passed back to more origins than what is otherwise allowed or po↗2023-12-07
CVEList▶
CVE-2023-46218: This flaw allows a malicious HTTP server to set "super cookies" in curl that
are then passed back to more origins than what is otherwise allowed or
po↗2023-12-07
GHSA▶
GHSA-59mm-6rr4-j9p2: This flaw allows a malicious HTTP server to set "super cookies" in curl that
are then passed back to more origins than what is otherwise allowed or
po↗2023-12-07
📋Vendor Advisories
8Oracle
▶
Oracle▶
Oracle Oracle Communications Applications Risk Matrix: Installation (curl) — CVE-2023-46218↗2024-07-15
Microsoft▶
This flaw allows a malicious HTTP server to set "super cookies" in curl that
are then passed back to more origins than what is otherwise allowed or
possible. This allows a site to set cookies that the↗2023-12-12