8.8
HIGH
CVE-2012-4512
Konqueror Type Confusion Vulnerability
Description

The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to "type confusion."

INFO

Published Date :

Feb. 8, 2020, 7:15 p.m.

Last Modified :

Feb. 13, 2023, 12:26 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2012-4512 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 Redhat enterprise_linux
2 Redhat enterprise_linux_desktop
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_server_eus
1 Kde kde
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2012-4512.

URL Resource
http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html Broken Link Third Party Advisory
http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html Exploit Third Party Advisory
http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352 Broken Link Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2012-1416.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-1418.html Third Party Advisory
http://secunia.com/advisories/51097 Not Applicable Third Party Advisory
http://secunia.com/advisories/51145 Not Applicable Third Party Advisory
http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/10/11/11 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/10/30/6 Mailing List Third Party Advisory
http://www.securitytracker.com/id?1027709 Third Party Advisory VDB Entry

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-2012-4512 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-4512 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 A heap-based buffer overflow flaw was found in the way the CSS parser of the Document Object Model's (DOM) implementation of KDE libraries performed processing of a location of a particular font face source. A remote attacker with privileges could provide a specially-crafted web page that, when opened in an application linked against KDE libraries, would lead to the application crashing or potential execution of arbitrary code. The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to "type confusion."
    Removed CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2012:1416 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2012:1418 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2012-4512 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=865779 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to "type confusion." A heap-based buffer overflow flaw was found in the way the CSS parser of the Document Object Model's (DOM) implementation of KDE libraries performed processing of a location of a particular font face source. A remote attacker with privileges could provide a specially-crafted web page that, when opened in an application linked against KDE libraries, would lead to the application crashing or potential execution of arbitrary code.
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added Reference https://access.redhat.com/errata/RHSA-2012:1416 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2012:1418 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=865779 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2012-4512 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 14, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html No Types Assigned http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html Broken Link, Third Party Advisory
    Changed Reference Type http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html No Types Assigned http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html Exploit, Third Party Advisory
    Changed Reference Type http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352 No Types Assigned http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352 Broken Link, Vendor Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2012-1416.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2012-1416.html Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2012-1418.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2012-1418.html Third Party Advisory
    Changed Reference Type http://secunia.com/advisories/51097 No Types Assigned http://secunia.com/advisories/51097 Not Applicable, Third Party Advisory
    Changed Reference Type http://secunia.com/advisories/51145 No Types Assigned http://secunia.com/advisories/51145 Not Applicable, Third Party Advisory
    Changed Reference Type http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc No Types Assigned http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2012/10/11/11 No Types Assigned http://www.openwall.com/lists/oss-security/2012/10/11/11 Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2012/10/30/6 No Types Assigned http://www.openwall.com/lists/oss-security/2012/10/30/6 Mailing List, Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id?1027709 No Types Assigned http://www.securitytracker.com/id?1027709 Third Party Advisory, VDB Entry
    Added CWE NIST CWE-843
    Added CPE Configuration OR *cpe:2.3:a:kde:kde:4.7.3:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:6.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
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-2012-4512 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-2012-4512 weaknesses.

Exploit Prediction

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

1.97 }} 0.00%

score

0.86918

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability