Cryptographic issues in cURL - CVE-2013-4545
Published: November 23, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32616
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4545
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL, disables the certificate CN and SAN name field verification (CURLOPT_SSL_VERIFYHOST) when the digital signature verification (CURLOPT_SSL_VERIFYPEER) is disabled, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Affected software
cURL
curl (Alpine package)
curl (Alpine package)
How to mitigate CVE-2013-4545
Install update from vendor's website.
cURL - update to 7.33.0
curl (Alpine package) - update to 7.25.0-r2
curl (Alpine package) - update to 7.25.0-r2
External References
- http://curl.haxx.se/docs/adv_20131115.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00047.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00053.html
- http://www.debian.org/security/2013/dsa-2798
- http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.ubuntu.com/usn/USN-2048-1
- https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322