PT-2018-3069 · Freeware+1 · Faad2+1

Fantasy7082 · Published 2018-11-23 · Updated 2023-04-05 · CVE-2018-20195

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Freeware Advanced Audio Decoder 2 (FAAD2) version 2.8.8

Description A NULL pointer dereference was discovered in the ic predict function of libfaad/ic predict.c, which can cause a segmentation fault and application crash, leading to denial of service. The issue is related to the exploitation of this NULL pointer dereference, allowing an attacker to cause a service disruption.

Recommendations For Freeware Advanced Audio Decoder 2 (FAAD2) version 2.8.8, as a temporary workaround, consider disabling the ic predict function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2021-1316

ALT-PU-2021-1341

ALT-PU-2023-1579

BDU:2019-03600

CVE-2018-20195

DSA-4522-1

Affected Products

Alt Linux

Faad2

References · 112

• 🔥 https://github.com/knik0/faad2/issues/25 · Exploit
• 🔥 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
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20358 · Security Note
• https://bdu.fstec.ru/vul/2022-01810 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9219 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9220 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20200327SE16 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9257 · Security Note
• https://bdu.fstec.ru/vul/2019-04567 · Security Note
• https://bdu.fstec.ru/vul/2019-04564 · Security Note
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20200429SE81 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9253 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-20195 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-05764 · Security Note