CVE-2017-5428

moderate-risk
Published 2018-06-11

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.

Do I need to act?

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0.37% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (11)

Affected Vendors

Redhat Mozilla

References (10)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0558.html
Third Party Advisory http://www.securityfocus.com/bid/96959
Third Party Advisory http://www.securitytracker.com/id/1038060
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1348168
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-08/
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0558.html
Third Party Advisory http://www.securityfocus.com/bid/96959
Third Party Advisory http://www.securitytracker.com/id/1038060
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1348168
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-08/
49
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate