CVE-2020-15969

Home/CVE/Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap co

CVE

Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap co

Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

HIGH · CVSS 8.8 EPSS 0.03155

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules10 YARA rules0

⬡

Weakness Classification

CWE-416Use After Free

CWE-787Out-of-bounds Write

▤

Affected Products & Versions

google chrome< 86.0.4240.75
debian linuxall versions
fedoraproject fedoraall versions
opensuse backports sleall versions
apple safari< 14.0.2
apple ipados< 14.3
apple iphone os< 14.3
apple macos< 11.1
Show all 10 affected productsapple tvos< 14.3
apple watchos< 7.2

◈

Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighRunning Chrome VPN Extensions via the Registry 2 VPN Extension

productmediumPotential Chrome Frame Helper DLL Sideloading

producthighSuspicious Microsoft Office Child Process - MacOS

producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS

producthighBinary Padding - MacOS

productmediumSuspicious Execution via macOS Script Editor

Show all 10 top matches

productmediumSystem Information Discovery Via Sysctl - MacOS

productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS

productmediumSuspicious MacOS Firmware Activity

productmediumDisk Image Mounting Via Hdiutil - MacOS

▣

Scoring & Timeline

8.8

HIGH · CVSS v3.1 · chrome-cve-admin@google.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD03 Nov 2020 · 03:15 AM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:10600-1
suse-csafopenSUSE-SU-2024:10601-1
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:12948-1
Show all 30 vendor advisoriesusnUSN-4647-1
suse-csafopenSUSE-SU-2020:1829-1
suse-csafopenSUSE-SU-2020:1785-1
suse-csafopenSUSE-SU-2020:1780-1
suse-csafSUSE-SU-2020:3091-1
suse-csafSUSE-SU-2020:3053-1
usnUSN-4599-2
suse-csafopenSUSE-SU-2020:1748-1
suse-csafSUSE-SU-2020:14522-1
suse-csafopenSUSE-SU-2020:1732-1
usnUSN-4599-1
suse-csafopenSUSE-SU-2020:1715-1
suse-csafSUSE-SU-2020:3021-1
suse-csafSUSE-SU-2020:3022-1
suse-csafopenSUSE-SU-2020:1705-1
rhsaRHSA-2020:4315Important
rhsaRHSA-2020:4311Important
rhsaRHSA-2020:4310Important
rhsaRHSA-2020:4909Important
rhsaRHSA-2020:4330Important
rhsaRHSA-2020:4948Important
rhsaRHSA-2020:4947Important
rhsaRHSA-2020:4913Important
rhsaRHSA-2020:4945Important
rhsaRHSA-2020:4317Important

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlMailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Dec/24Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Dec/26Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Dec/27Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Dec/29Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Dec/30Mailing ListThird Party Advisory

Show all 18 references

https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.htmlRelease NotesVendor Advisory

https://crbug.com/1124659Permissions RequiredVendor Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/

https://security.gentoo.org/glsa/202101-30Third Party Advisory

https://support.apple.com/kb/HT212003Third Party Advisory

https://support.apple.com/kb/HT212005Third Party Advisory

https://support.apple.com/kb/HT212007Third Party Advisory

https://support.apple.com/kb/HT212009Third Party Advisory

https://support.apple.com/kb/HT212011Third Party Advisory

https://www.debian.org/security/2021/dsa-4824Third Party Advisory

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