CVE-2017-7836

Name: CVE-2017-7836
Creator: NVD / NIST
Published: 2018-06-11T21:29:11.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.34%

Last modified Jun 17, 2026

CVE-2017-7836 is a vulnerability of currently unknown severity. The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. Note: This attack requires an attacker have local system access and only affects OS X and Linux. Windows systems are not affected. This vulnerability affects Firefox < 57.

Metrics

EPSS Probability

0.34%

25.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 56.0.2

References

http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039803Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1401339Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2017-24/Vendor Advisory
http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039803Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1401339Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2017-24/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7836?

How severe is CVE-2017-7836?

Severity scoring for CVE-2017-7836 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7836?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7836?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST