PT-2019-4544 · Mozilla+2 · Firefox+2

Anca Soncutean + 1 · Published 2019-03-19 · Updated 2024-12-12 · CVE-2019-9806

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 66

Description A vulnerability exists during authorization prompting for FTP transactions where successive modal prompts are displayed and cannot be immediately dismissed, allowing for a denial of service attack. The issue is related to an error in the FTP protocol authorization, which can be exploited by a remote attacker to cause a denial of service.

Recommendations For versions prior to 66, update to version 66 or later to resolve the issue. As a temporary workaround, consider avoiding the use of FTP transactions in the affected browser versions until a patch is applied.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

ALT-PU-2019-1561

ALT-PU-2019-2324

ALT-PU-2019-2486

BDU:2020-00590

CVE-2019-9806

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

USN-3918-1

USN-3918-2

USN-3918-3

USN-3918-4

Affected Products

Alt Linux

Firefox

Ubuntu

References · 1901

• https://osv.dev/vulnerability/openSUSE-SU-2024:14572-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-9806 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9792 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9791 · Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1525267 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9807 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-9806 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9788 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3918-2 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3918-3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-9806 · Security Note
• https://ubuntu.com/security/notices/USN-3918-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9805 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9789 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9806 · Vendor Advisory