Integer overflow in Mozilla Firefox
CVE-2017-5428
An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. This vulnerability affects Firefox ESR < 52.0.1 and Firefox < 52.0.1.
Vulnerability class: Integer Overflow
EPSS: 0.033 (87.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox_esr
- Redhat Enterprise_linux — versions 7.0
- Redhat Enterprise_linux_desktop — versions 7.0
- Redhat Enterprise_linux_server — versions 7.0
- Redhat Enterprise_linux_server_aus — versions 7.3, 7.4
- Redhat Enterprise_linux_server_eus — versions 7.3, 7.4, 7.5
- Redhat Enterprise_linux_workstation — versions 7.0
Weakness classification (CWE)
References
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@mozilla.org (x_refsource_CONFIRM, Exploit, Patch, Issue Tracking, Vendor Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5428?
- CVE-2017-5428 is a critical-severity vulnerability in Mozilla Firefox, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-06-11.
- How severe is CVE-2017-5428?
- Critical severity. CVSS v3 base score is 9.8 out of 10.