CVE-2021-4079
published 2021-12-23CVE-2021-4079: Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC…
PriorityP343high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.85%
54.4th percentile
Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 97.0.4692.71-0.1~deb11u1 | 97.0.4692.71-0.1~deb11u1 |
| chromium | chromium | >= 0 < 97.0.4692.71-0.1 | 97.0.4692.71-0.1 |
| chromium | chromium | >= 0 < 97.0.4692.71-0.1 | 97.0.4692.71-0.1 |
| chromium | chromium | >= 0 < 97.0.4692.71-0.1 | 97.0.4692.71-0.1 |
| debian | chromium | < chromium 97.0.4692.71-0.1 (bookworm) | chromium 97.0.4692.71-0.1 (bookworm) |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| chrome | < 96.0.4664.93 | 96.0.4664.93 | |
| chrome | >= unspecified < 96.0.4664.93 | 96.0.4664.93 | |
| chrome_chrome | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
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Chrome
Stable Channel Update for Desktop: CVE-2021-4052
vendor_chrome·2021-12-06·CVSS 8.8
CVE-2021-4052 [HIGH] Stable Channel Update for Desktop: CVE-2021-4052
Stable Channel Update for Desktop
CVE-2021-4052: Use after free in web apps. Reported by Wei Yuan of MoyunSec VLab on 2021-11-07 [$10000][ 1267791 ] High CVE-2021-4053: Use after free in UI
Reported by Rox on 2021-11-08 [$8500][ 1265806 ] High CVE-2021-4079: Out of bounds write in WebRTC
Severity: high
Debian
CVE-2021-4079: chromium - Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a r...
vendor_debian·2021·CVSS 8.8
CVE-2021-4079 [HIGH] CVE-2021-4079: chromium - Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a r...
Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.
Scope: local
bookworm: resolved (fixed in 97.0.4692.71-0.1)
bullseye: resolved (fixed in 97.0.4692.71-0.1~deb11u1)
forky: resolved (fixed in 97.0.4692.71-0.1)
sid: resolved (fixed in 97.0.4692.71-0.1)
trixie: resolved (fixed in 97.0.4692.71-0.1)
GHSA
GHSA-j7jm-xwrj-8m3c: Out of bounds write in WebRTC in Google Chrome prior to 96
ghsa_unreviewed·2021-12-24
CVE-2021-4079 [HIGH] CWE-787 GHSA-j7jm-xwrj-8m3c: Out of bounds write in WebRTC in Google Chrome prior to 96
Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.
OSV
CVE-2021-4079: Out of bounds write in WebRTC in Google Chrome prior to 96
osv·2021-12-23·CVSS 8.8
CVE-2021-4079 [HIGH] CVE-2021-4079: Out of bounds write in WebRTC in Google Chrome prior to 96
Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.
Project0
Project Zero RCA: CVE-2022-2294: Heap buffer overflow in WebRTC
project_zero·CVSS 8.8
CVE-2022-2294 [HIGH] Project Zero RCA: CVE-2022-2294: Heap buffer overflow in WebRTC
# CVE-2022-2294: Heap buffer overflow in WebRTC
*Natalie Silvanovich, Project Zero*
## The Basics
**Disclosure or Patch Date:** July 4, 2022
**Product:** WebRTC (in-the-wild exploitation targeted Chrome)
**Advisory:**
* Chrome: https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html
* Safari: https://support.apple.com/en-us/HT213341
**Affected Versions:**
* WebRTC July 1, 2022 or earlier (WebRTC does not have formal versioning)
* Chrome pre-103.0.5060.114 and earlier
* Safari 15.5 and earlier
* This issue does not affect Firefox
The vulnerable library is also used by many mobile applications, but it is unclear whether the issue is exploitable. The bug is also only reachable in applications that use SDP munging or allow users to manipulate the SDP API. H
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.htmlhttps://crbug.com/1265806https://security.gentoo.org/glsa/202208-25https://www.debian.org/security/2022/dsa-5046https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.htmlhttps://crbug.com/1265806https://security.gentoo.org/glsa/202208-25https://www.debian.org/security/2022/dsa-5046
2021-12-23
Published