Vulnerability Details : CVE-2012-4513
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.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2012-4513
Probability of exploitation activity in the next 30 days: 7.39%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-4513
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST |
CWE ids for CVE-2012-4513
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-4513
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http://rhn.redhat.com/errata/RHSA-2012-1418.html
RHSA-2012:1418 - Security Advisory - Red Hat Customer Portal
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http://www.securitytracker.com/id?1027709
kdelibs Heap Overflows Let Remote Users Execute Arbitrary Code - SecurityTracker
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http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
Exploit
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http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53
cgit error
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
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http://www.openwall.com/lists/oss-security/2012/10/30/6
oss-security - Medium risk security flaws in Konqueror
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http://www.openwall.com/lists/oss-security/2012/10/11/11
oss-security - Re: Pre-advisory for Konqueror 4.7.3 (other versions may be affected)
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http://rhn.redhat.com/errata/RHSA-2012-1416.html
RHSA-2012:1416 - Security Advisory - Red Hat Customer Portal
Products affected by CVE-2012-4513
- cpe:2.3:o:kde:kde:4.7.3:*:*:*:*:*:*:*