Vulnerability Monitor

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CVE-2012-2139

Directory traversal vulnerability in lib/mail/network/delivery_methods/file_delivery.rb in the Mail gem before 2.4.4 for Ruby allows remote attackers to read arbitrary files via a .. (dot dot) in the to parameter.

Security Impact Summary

CVE-2012-2139 is a security vulnerability that . Impacting 1 product from rubygems organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-07-18T18:55:01.463

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rubygems	mail_gem	≤ 2.4.3	Yes
Application	rubygems	mail_gem	2.3.2	Yes
Application	rubygems	mail_gem	2.3.3	Yes
Application	rubygems	mail_gem	2.4.1	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080645.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080648.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080747.html ([email protected])
http://secunia.com/advisories/48970 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/04/25/8 ([email protected])
http://www.openwall.com/lists/oss-security/2012/04/26/1 ([email protected])
https://bugzilla.novell.com/show_bug.cgi?id=759092 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=816352 ([email protected])
https://github.com/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f Exploit, Patch ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080645.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080648.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080747.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48970 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/04/25/8 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/04/26/1 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.novell.com/show_bug.cgi?id=759092 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=816352 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rubygems's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.