CVE-2009-3490
CVE-2009-3490 is a medium-severity vulnerability in Gnu Wget with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 4% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-310
- Affected product: Gnu Wget
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2009-3490?
- 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.
- How severe is CVE-2009-3490?
- CVE-2009-3490 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2009-3490 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-3490?
- CVE-2009-3490 primarily affects Gnu Wget. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-3490?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2009-3490 published?
- CVE-2009-3490 was published on 2009-09-30 and last updated on 2026-06-16.
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
Affected products (16)
- cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.6:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.7:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.8:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.9:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.10:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.10.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.11:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.11.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.11.3:*:*:*:*:*:*:*
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