8.8high

CVE-2018-12293in critical feed1 exploit

The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKi…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
10.0%
percentile 96%
Public exploits
1
Exploit-DB

Summary

The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.

Exploit prediction (EPSS)

10.03% probability of exploitation in the next 30 days, higher than 96% of all scored CVEs.

Exploits and detections

  • EDB-45205 WebkitGTK+ 2.20.3 - 'ImageBufferCairo::getImageData()' Buffer Overflow (PoC) · local · 2018-08-16

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • bugs.webkit.org /show_bug.cgi?id=186384 · x_refsource_MISC, x_transferred
  • security.gentoo.org /glsa/201808-04 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /archive/1/542087/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • exploit-db.com /exploits/45205/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • trac.webkit.org /changeset/232618 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3687-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • packetstormsecurity.com /files/148200/WebKitGTK-Data-Leak-Code-Execution.html · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2018/06/14/1 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.