CVE-2017-7468

Description

In curl and libcurl 7.52.0 to and including 7.53.1, libcurl would attempt to resume a TLS session even if the client certificate had changed. That is unacceptable since a server by specification is allowed to skip the client certificate check on resume, and may instead use the old identity which was established by the previous certificate (or no certificate). libcurl supports by default the use of TLS session id/ticket to resume previous TLS sessions to speed up subsequent TLS handshakes. They are used when for any reason an existing TLS connection couldnt be kept alive to make the next handshake faster. This flaw is a regression and identical to CVE-2016-5419 reported on August 3rd 2016, but affecting a different version range.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Score

Exploitation Probability

0.502

Associated Vulnerability

Vulnerability	OS Platform
Multiple Vulnerabilities are affected in Curl For Windows 7.53.1	Windows
Vulnerabilities CVE-2017-7468,CVE-2017-7407 are fixed in Curl For Windows 7.54.0	Windows
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) curl_7.52.1-4ubuntu1.1_i386.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) curl_7.52.1-4ubuntu1.1_amd64.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) libcurl3_7.52.1-4ubuntu1.1_i386.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) libcurl3_7.52.1-4ubuntu1.1_amd64.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) libcurl3-nss_7.52.1-4ubuntu1.1_i386.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) libcurl3-nss_7.52.1-4ubuntu1.1_amd64.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) libcurl3-gnutls_7.52.1-4ubuntu1.1_i386.deb	Linux
HTTP, HTTPS, and FTP client and client libraries (USN-3262-1) libcurl3-gnutls_7.52.1-4ubuntu1.1_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234