CVE-2013-4545
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…
Does this matter?
Lower severity and a low EPSS score (3.08%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 3.08% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- haxx/curl · haxx/libcurl
- Source
- secalert@redhat.com
References
- http://curl.haxx.se/docs/adv_20131115.htmlVendor Advisory
- 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
- http://curl.haxx.se/docs/adv_20131115.htmlVendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.