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CVE-2012-4513

Date: November 11, 2012

khtml/imload/scaledimageplane.h in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via large canvas dimensions, which leads to an unexpected sign extension and a heap-based buffer over-read.

Language: C++

Severity Score

Related Resources (13)

http://www.securitytracker.com/id?1027709
http://secunia.com/advisories/51097
http://rhn.redhat.com/errata/RHSA-2012-1416.html
http://secunia.com/advisories/51145
http://www.openwall.com/lists/oss-security/2012/10/30/6
http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53
http://www.openwall.com/lists/oss-security/2012/10/11/11
https://access.redhat.com/security/cve/CVE-2012-4513
https://nvd.nist.gov/vuln/detail/CVE-2012-4513
http://rhn.redhat.com/errata/RHSA-2012-1418.html
http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
https://www.mend.io/vulnerability-database/CVE-2012-4513

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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