4.3
MEDIUM
CVE-2012-6109
Rack Content-Disposition Regular Expression Denial of Service
Description

lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.

INFO

Published Date :

March 1, 2013, 5:40 a.m.

Last Modified :

Feb. 13, 2023, 12:27 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2012-6109 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Rack_project rack

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2012-6109 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-6109 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description CVE-2012-6109 rubygem-rack: parsing Content-Disposition header DoS lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2013:0544 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2013:0548 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2012-6109 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header. CVE-2012-6109 rubygem-rack: parsing Content-Disposition header DoS
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Removed Reference https://groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ [No Types Assigned]
    Added Reference https://groups.google.com/forum/#%21msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2013:0548 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2012-6109 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2013:0544 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 13, 2018

    Action Type Old Value New Value
    Removed Reference https://groups.google.com/forum/#%21msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ [No Types Assigned]
    Added Reference https://groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 01, 2013

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2012-6109 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2012-6109 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.22 }} 0.00%

score

0.83191

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability