7.5high

CVE-2017-7804

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 74%
Public exploits
0
none known

Summary

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Exploit prediction (EPSS)

1.46% probability of exploitation in the next 30 days, higher than 74% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • Mozilla Thunderbird
  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • mozilla.org /security/advisories/mfsa2017-19/ · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2017-20/ · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2017-18/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/100234 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1039124 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1372849 · x_refsource_CONFIRM, 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.