CVE-2009-3490

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-30 · updated 2026-06-16
Weakness: CWE-310

Description

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Affected products

gnuwget wget: through 1.11.4; 1.5.3, 1.6, 1.7, 1.7.1, 1.8, 1.8.1 (+9)

References

http://addictivecode.org/pipermail/wget-notify/2009-August/001808.html
http://hg.addictivecode.org/wget/mainline/rev/1eab157d3be7
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://marc.info/?l=oss-security&m=125198917018936&w=2
http://marc.info/?l=oss-security&m=125369675820512&w=2
http://permalink.gmane.org/gmane.comp.web.wget.general/8972
http://secunia.com/advisories/36540
http://www.securityfocus.com/bid/36205
http://www.vupen.com/english/advisories/2009/2498
https://bugzilla.redhat.com/show_bug.cgi?id=520454
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11099
http://addictivecode.org/pipermail/wget-notify/2009-August/001808.html

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