Home/CVE/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 cer
CVE

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 cer

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.

MEDIUM · CVSS 6.8 EPSS 0.01831
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules7 YARA rules0
▤

Affected Products & Versions

2
gnu wget<= 1.11.4
gnu wgetall versions
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Download and Execute Pattern via Curl/Wget
producthighSuspicious File Download From IP Via Wget.EXE
producthighSuspicious File Download From IP Via Wget.EXE - Paths
producthighSuspicious File Download From File Sharing Domain Via Wget.EXE
productmediumDownload File To Potentially Suspicious Directory Via Wget
productmediumData Exfiltration with Wget
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Published to NVD30 Sep 2009 · 03:30 PM
⚑

Vendor Advisories

3
rhsaRHSA-2009:1692Moderate
usnUSN-842-1
rhsaRHSA-2009:1549Moderate
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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