CVE-2017-5375

critical-risk
Published 2018-06-11

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.

Do I need to act?

!
60.7% chance of exploitation in next 30 days
EPSS score — higher than 39% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
3 public exploits available
44294, 44293, 42327
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (12)

Affected Vendors

Debian Redhat Mozilla

References (30)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0190.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0238.html
Third Party Advisory http://www.securityfocus.com/bid/95757
Third Party Advisory http://www.securitytracker.com/id/1037693
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1325200
Third Party Advisory https://security.gentoo.org/glsa/201702-13
Third Party Advisory https://security.gentoo.org/glsa/201702-22
Third Party Advisory https://www.debian.org/security/2017/dsa-3771
Third Party Advisory https://www.debian.org/security/2017/dsa-3832
Exploit https://www.exploit-db.com/exploits/42327/
Exploit https://www.exploit-db.com/exploits/44293/
Exploit https://www.exploit-db.com/exploits/44294/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-01/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-02/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-03/
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0190.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0238.html
Third Party Advisory http://www.securityfocus.com/bid/95757
Third Party Advisory http://www.securitytracker.com/id/1037693
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1325200
and 10 more references
75
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 26/34 · High
Exposure 17/34 · Moderate