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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.
Publish Date : 2010-06-16 Last Update Date : 2010-09-09
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:N/AC:H/Au:N/C:N/I:P/A:N 2010-06-14 2010-06-14
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2010-2074 unix
DEPRECATED: ELSA-2010-0565 -- w3m security update (moderate) oval:org.mitre.oval:def:27669 unix
ELSA-2010:0565: w3m security update (Moderate) oval:org.mitre.oval:def:22558 unix
RHSA-2010:0565: w3m security update (Moderate) oval:org.mitre.oval:def:22020 unix
RHSA-2010:0565: w3m security update (Moderate) oval:com.redhat.rhsa:def:20100565 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-2074

# Product Type Vendor Product Version Update Edition Language
1 Application W3M W3M 0.5.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
W3M W3M 1

- References For CVE-2010-2074
SUSE SUSE-SR:2010:014
VUPEN ADV-2010-1928
VUPEN ADV-2010-1879
REDHAT RHSA-2010:0565
FEDORA FEDORA-2010-10369
VUPEN ADV-2010-1467
SECTRACK 1024252
BID 40837 W3M NULL Character CA SSL Certificate Validation Security Bypass Vulnerability Release Date:2012-10-18
OSVDB 65538
MLIST [oss-security] 20100614 CVE Request: w3m does not check null bytes CN/subjAltName

- Metasploit Modules Related To CVE-2010-2074

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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