PT-2017-17926 · Mozilla+2 · Firefox Esr+4

Eili Masami + 1 · Published 2017-06-13 · Updated 2018-08-08 · CVE-2017-7755

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 54 Firefox ESR versions prior to 52.2 Thunderbird versions prior to 52.2

Description The issue allows malicious DLL files to be loaded by the Firefox installer on Windows, potentially leading to privileged execution if the installer is run with elevated privileges. This issue is specific to Windows operating systems and does not affect other operating systems.

Recommendations For Firefox versions prior to 54, update to version 54 or later to resolve the issue. For Firefox ESR versions prior to 52.2, update to version 52.2 or later to resolve the issue. For Thunderbird versions prior to 52.2, update to version 52.2 or later to resolve the issue.

Fix

Untrusted Search Path

Weakness Enumeration

CWE-426

Related Identifiers

ALT-PU-2017-1770

ALT-PU-2017-1886

CVE-2017-7755

MGASA-2018-0018

OPENSUSE-SU-2017_1620-1

SUSE-SU-2017:1669-1

SUSE-SU-2017:2235-1

Affected Products

Alt Linux

Firefox

Firefox Esr

Suse

Thunderbird

References · 89

• https://mozilla.org/en-US/security/advisories/mfsa2017-12 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7755 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2017-16 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2017-15 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2017-28 · Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1361326 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0018 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2018-0018.html · Security Note
• https://mozilla.org/en-US/security/advisories/mfsa2017-22 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2017-17 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:2235-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-7755 · Security Note
• https://mozilla.org/security/advisories/mfsa2017-16 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2017-25 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2017-05 · Vendor Advisory