Vulnerability Details : CVE-2010-2074
istream.c in w3m 0.5.2 and possibly other versions, when ssl_verify_server is enabled, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name 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.
Vulnerability category: Input validation
Exploit prediction scoring system (EPSS) score for CVE-2010-2074
Probability of exploitation activity in the next 30 days: 0.42%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2010-2074
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2010-2074
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2010-2074
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http://www.securityfocus.com/bid/40837
W3M NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
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http://www.openwall.com/lists/oss-security/2010/06/14/4
oss-security - CVE Request: w3m does not check null bytes CN/subjAltName
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http://www.vupen.com/english/advisories/2010/1467
Webmail | OVH- OVHVendor Advisory
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http://www.vupen.com/english/advisories/2010/1928
Webmail | OVH- OVH
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http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044401.html
[SECURITY] Fedora 12 Update: w3m-0.5.2-17.fc12
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http://www.redhat.com/support/errata/RHSA-2010-0565.html
Support
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http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:014
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http://www.securitytracker.com/id?1024252
w3m NULL Character Flaw in Common Name Field Lets Remote Users Spoof Certificates - SecurityTracker
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http://www.vupen.com/english/advisories/2010/1879
Webmail | OVH- OVH
Products affected by CVE-2010-2074
- cpe:2.3:a:w3m:w3m:0.5.2:*:*:*:*:*:*:*