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CVE-2012-5821

Date: November 4, 2012

Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.

Severity Score

Related Resources (8)

https://exchange.xforce.ibmcloud.com/vulnerabilities/79930
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351
https://people.canonical.com/~ubuntu-security/cve/CVE-2012-5821
http://www.ubuntu.com/usn/USN-1642-1
http://www.mandriva.com/security/advisories?name=MDVSA-2013:101
http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf
https://nvd.nist.gov/vuln/detail/CVE-2012-5821
https://www.mend.io/vulnerability-database/CVE-2012-5821

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

Improper Certificate Validation

CWE-295

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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