Vulnerability · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30897
Medium 6.5
In plain English
A medium-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.7%top 22.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue existed in the specification for the resource timing API. The specification was updated and the updated specification was implemented. This issue is fixed in macOS Monterey 12.0.1. A malicious website may exfiltrate data cross-origin.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.34.6-1.el8 | ALSA-2022:1777 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.34.6-1.el8 | ALSA-2022:1777 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.34.6-1.el8 | ALSA-2022:1777 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.34.6-1.el8 | ALSA-2022:1777 |
| Alpine:v3.20 | webkit2gtk | 2.34.0-r0 | ALPINE-CVE-2021-30897 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.34.6-1.el8 | RLSA-2022:1777 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-30897 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-30897 |
| Ubuntu:22.04:LTS | webkit2gtk | 2.34.0-1ubuntu1 | UBUNTU-CVE-2021-30897 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2021-30897 |
Affected products (as reported)
References
- https://support.apple.com/kb/HT212814 x_refsource_CONFIRM
- https://support.apple.com/kb/HT212815 x_refsource_CONFIRM
- https://support.apple.com/en-us/HT212869 x_refsource_MISC