8.8high

CVE-2017-7798

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 81%
Public exploits
0
none known

Summary

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55.

Exploit prediction (EPSS)

2.05% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

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

Affected products

  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

  • mozilla.org /security/advisories/mfsa2017-19/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/100198 · vdb-entry, x_refsource_BID, x_transferred
  • mozilla.org /security/advisories/mfsa2017-18/ · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2017:2456 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.mozilla.org /buglist.cgi?bug_id=1371586%2C1372112 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1039124 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • debian.org /security/2017/dsa-3928 · vendor-advisory, x_refsource_DEBIAN, 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.