Published: 11/06/2018 Updated: 03/10/2019

CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 409

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

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.

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mozilla firefox

Mozilla Foundation Security Advisory 2017-24 Security vulnerabilities fixed in Firefox 57 Announced November 14, 2017 Impact critical Products Firefox Fixed in Firefox 57 ...

The "pingsender" executable used by the Firefox Health Report before 570 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 This attack requires an attacker have local system access ...

CWE-427 https://www.mozilla.org/security/advisories/mfsa2017-24/https://bugzilla.mozilla.org/show_bug.cgi?id=1401339 http://www.securitytracker.com/id/1039803 http://www.securityfocus.com/bid/101832 https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/https://security.archlinux.org/CVE-2017-7836

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CVE-2017-7836

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