PT-2017-3994 · Mozilla+5 · Firefox Esr+7

Nicolas Trippar · Published 2017-05-29 · Updated 2024-06-15 · CVE-2017-7758

Positive Technologies (AI Summary)

CVSS v2.0

9.4

Critical

Base vector

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

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 is related to an out-of-bounds read vulnerability in the Opus encoder. This occurs when the number of channels in an audio stream changes while the encoder is in use, potentially allowing a remote attacker to cause a denial of service.

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

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2017-1770

ALT-PU-2017-1777

ALT-PU-2017-1886

ALT-PU-2018-1854

BDU:2021-00029

CESA-2017_1440

CESA-2017_1561

CVE-2017-7758

DLA-1007-1

DLA-991-1

DSA-3881-1

DSA-3918-1

MGASA-2017-0178

MGASA-2017-0180

MGASA-2018-0018

OPENSUSE-SU-2017:1579-1

OPENSUSE-SU-2017_1620-1

OPENSUSE-SU-2024:10601-1

RHSA-2017:1440

RHSA-2017:1561

RHSA-2017_1440

RHSA-2017_1561

SUSE-SU-2017:1669-1

SUSE-SU-2017:2235-1

USN-3315-1

USN-3321-1

Affected Products

Alt Linux

Centos

Firefox

Firefox Esr

Red Hat

Suse

Thunderbird

Ubuntu

References · 513

• 🔥 https://bugzilla.mozilla.org/show_bug.cgi?id=1368490 · Exploit
• https://ubuntu.com/security/CVE-2017-7757 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5471 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3315-1?_ga=2.253574793.1874363206.1609607440-1543702552.1605094901 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-7758 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3881-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0178.html · Security Note
• https://ubuntu.com/security/CVE-2017-7752 · Vendor Advisory
• https://mozilla.org/en-US/security/known-vulnerabilities/firefox-esr · Vendor Advisory
• https://advisories.mageia.org/MGASA-2018-0018.html · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2017:1579-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3321-1 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:1561 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7758 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5470 · Vendor Advisory