PT-2018-3065 · Freeware Advanced Audio Coder+1 · Faad2+1

Fishfish · Published 2018-11-23 · Updated 2023-04-05 · CVE-2018-19502

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 Freeware Advanced Audio Decoder 2 (FAAD2) versions 2.8.1 and earlier

Description The issue is related to a heap-based buffer overflow in the excluded channels() function of the Freeware Advanced Audio Decoder 2 (FAAD2) audio decoder. This can allow an attacker to compromise data integrity, gain unauthorized access to protected information, and cause a denial of service.

Recommendations For Freeware Advanced Audio Decoder 2 (FAAD2) versions 2.8.1 and earlier, consider disabling the excluded channels() function as a temporary workaround until a patch is available. Restrict access to the libfaad/syntax.c module to minimize the risk of exploitation. Avoid using the excluded channels() function in sensitive operations until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

ALT-PU-2021-1316

ALT-PU-2021-1341

ALT-PU-2023-1579

BDU:2019-03596

CVE-2018-19502

DLA-1899-1

DSA-4522-1

Affected Products

Alt Linux

Faad2

References · 115

• 🔥 https://github.com/TeamSeri0us/pocs/tree/master/faad · Exploit
• 🔥 https://github.com/TeamSeri0us/pocs/blob/master/faad/global-buffer-overflow%40ps_mix_phase.md · Exploit
• 🔥 https://sourceforge.net/p/faac/bugs/240 · Exploit
• https://bdu.fstec.ru/vul/2019-04567 · Security Note
• https://bdu.fstec.ru/vul/2019-03606 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9223 · Security Note
• https://bdu.fstec.ru/vul/2019-03604 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19502 · Security Note
• https://security-tracker.debian.org/tracker/DLA-1899-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-04180 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9222 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20362 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2018-19502 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19504 · Security Note
• https://bdu.fstec.ru/vul/2018-00113 · Security Note