CVE-2012-4522

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.0% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2012-11-24 20:00Z13 YR AGO

Last updated

2024-08-06 20:42Z2 YR AGO

Reserved

2012-08-21

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-264
• CWE-626Null Byte Interaction Error (Poison Null Byte)Variant

Data version

5.1

Document digest

0cfea8fdd66ace0900b38862bebcb5bad8fce8566d0687f33b5b83c074fef08a

• lists.fedoraproject.orgFEDORA-2012-16071http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.htmlvendor-advisoryx_refsource_FEDORA
• svn.ruby-lang.orghttp://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2012-16086http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.htmlvendor-advisoryx_refsource_FEDORA
• www.openwall.com[oss-security] 20121013 Re: CVE request: ruby file creation due in insertion of illegal NUL characterhttp://www.openwall.com/lists/oss-security/2012/10/13/1mailing-listx_refsource_MLIST
• rhn.redhat.comRHSA-2013:0129http://rhn.redhat.com/errata/RHSA-2013-0129.htmlvendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20121016 Re: CVE request: ruby file creation due in insertion of illegal NUL characterhttp://www.openwall.com/lists/oss-security/2012/10/16/1mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20121012 CVE request: ruby file creation due in insertion of illegal NUL characterhttp://www.openwall.com/lists/oss-security/2012/10/12/6mailing-listx_refsource_MLIST
• www.ruby-lang.orghttp://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/x_refsource_CONFIRM