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CVE-2013-6422

UNKNOWN
Published 2013-12-23T22:00:00
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Expert Analysis

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No CVSS data available

Description

The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-fw5f-w62r-p5ww

Advisory Details

The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.

CVSS Scoring

CVSS Score

5.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2013-6422
WEB https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322
WEB http://curl.haxx.se/docs/adv_20131217.html
WEB http://www.debian.org/security/2013/dsa-2824
WEB http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
WEB http://www.ubuntu.com/usn/USN-2058-1

Advisory provided by GitHub Security Advisory Database. Published: May 17, 2022, Modified: May 17, 2022

References

http://curl.haxx.se/docs/adv_20131217.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322
http://www.debian.org/security/2013/dsa-2824
http://www.ubuntu.com/usn/USN-2058-1

HackerOne Reports

CVE-2024-2466: TLS certificate check bypass with mbedTLS Medium
frankyueh
curl
Improper Validation of Certificate with Host Mismatch
View Report
Published: 2013-12-23T22:00:00
Last Modified: 2024-08-06T17:39:01.250Z
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