CVE-2012-2139 json
Mail Gem Path Traversal vulnerability
published 2012-07-18 14 y ago modified 2026-06-16 4 mo ago also GHSA-cj92-c4fj-w9c5 , EUVD-2017-0219
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.9%
- EPSS 4.9% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- rubygems mail 2.4.4
- ruby-mail Debian 14, Debian 13, Debian 12 2.4.4-1
debian advisories DEBIAN-CVE-2012-2139
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2012-2139 updated cvss 5.0
rubygem-mail: directory traversal
-
Red Hat Subscription Asset Manager rubygem-mailaffected: no fix available
-
Red Hat CloudForms Cloud Engine for RHEL 6 Server puppet 2.6.17-2.el6cf, rubygem-mail 2.3.0-3.el6cf, puppet-server 2.6.17-2.el6cf, rubygem-compass 0.11.5-2.el6cf, rubygem-net-ldap 0.1.1-3.el6cf, rubygem-chunky_png 1.2.0-3.el6cf, +6 more Red Hat CloudForms System Engine for RHEL 6 Server puppet 2.6.17-2.el6cf, rubygem-mail 2.3.0-3.el6cf, puppet-server 2.6.17-2.el6cf, rubygem-compass 0.11.5-2.el6cf, rubygem-net-ldap 0.1.1-3.el6cf, rubygem-chunky_png 1.2.0-3.el6cf, +6 morefixed: vendor fix RHSA-2012:1542
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
4.92% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | <2.4.4 |
2.4.4 |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f
web, exploit, patch
-
lists.fedoraproject.org
/pipermail/package-announce/2012-May/080648.html
vendor-advisory, web
-
lists.fedoraproject.org
/pipermail/package-announce/2012-May/080645.html
vendor-advisory, web
-
lists.fedoraproject.org
/pipermail/package-announce/2012-May/080747.html
vendor-advisory, web
-
secunia.com
/advisories/48970
third-party-advisory, vendor-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=816352
web
-
openwall.com
/lists/oss-security/2012/04/25/8
mailing-list, web
-
bugzilla.novell.com
/show_bug.cgi?id=759092
web
-
openwall.com
/lists/oss-security/2012/04/26/1
mailing-list, web
-
nvd.nist.gov
/vuln/detail/CVE-2012-2139
advisory
-
github.com
/mikel/mail
package
Sources
- CVE List CVE-2012-2139
- GitHub Advisory GHSA-cj92-c4fj-w9c5
- NVD CVE-2012-2139
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.