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Cryptographic Issues Affecting curl package, versions <7.19.5-1.1

medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.15% (50th percentile)
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NVD
7.3 high

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  • Snyk ID SNYK-DEBIAN11-CURL-515104
  • published 14 Aug 2009
  • disclosed 14 Aug 2009
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Introduced: 14 Aug 2009

CVE-2009-2417 Open this link in a new tab
CWE-310 Open this link in a new tab

How to fix?

Upgrade Debian:11 curl to version 7.19.5-1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

lib/ssluse.c in cURL and libcurl 7.4 through 7.19.5, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.