CVE-2017-5375

Public Exploit

Description

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 59.24% Top 5%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox ESR
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2017-03/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/ vendor advisory
https://security.gentoo.org/glsa/201702-22 third party advisory vendor advisory
https://www.exploit-db.com/exploits/42327/ third party advisory vdb entry exploit
https://www.debian.org/security/2017/dsa-3832 third party advisory vendor advisory
https://www.exploit-db.com/exploits/44293/ third party advisory vdb entry exploit
https://security.gentoo.org/glsa/201702-13 third party advisory vendor advisory
https://www.debian.org/security/2017/dsa-3771 third party advisory vendor advisory
https://www.exploit-db.com/exploits/44294/ third party advisory vdb entry exploit
http://www.securitytracker.com/id/1037693 third party advisory vdb entry
https://www.mozilla.org/security/advisories/mfsa2017-01/ vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0190.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0238.html third party advisory vendor advisory
http://www.securityfocus.com/bid/95757 third party advisory vdb entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1325200 issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2017-5375?
CVE-2017-5375 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5375?
To fix CVE-2017-5375, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5375 being actively exploited in the wild?
It is possible that CVE-2017-5375 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~59% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-5375?
CVE-2017-5375 affects Mozilla Thunderbird, Mozilla Firefox ESR, Mozilla Firefox.
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