CVE-2021-30889 — Classic Buffer Overflow in Apple Ipados

CWE-120 — Classic Buffer OverflowCWE-401 — Missing Release of Memory after Effective LifetimeCWE-416 — Use After Free24 documents6 sources
Severity
8.8HIGHNVD
NVD6.5
EPSS
0.7%
top 28.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
Apple IpadosApple Iphone OSApple Macos+8 more
Timeline
PublishedAug 24
Latest updateDec 26

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages13 packages

▶Appleapple/macos_monterey12.0.1
▶NVDapple/tvos< 15.1
▶NVDapple/macos< 12.0.1
▶NVDapple/ipados< 15.1
▶NVDapple/watchos< 8.1

🔴Vulnerability Details

7
GHSA
GHSA-73cm-q45j-cwwr: In WebKitGTK before 2↗2021-12-26
▶
GHSA
GHSA-p53f-pm5m-wpj7: In WebKitGTK before 2↗2021-12-26
▶
GHSA
GHSA-h8mj-hhrj-rvh6: In WebKitGTK before 2↗2021-12-26
▶
OSV
CVE-2021-45482: In WebKitGTK before 2↗2021-12-25
▶
OSV
CVE-2021-45481: In WebKitGTK before 2↗2021-12-25
▶

📋Vendor Advisories

13
Red Hat
webkitgtk: Buffer overflow leading to arbitrary code execution↗2021-12-20
▶
Red Hat
webkitgtk: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create↗2021-12-17
▶
Red Hat
webkitgtk: use-after-free in WebCore::ContainerNode::firstChild↗2021-12-17
▶
Red Hat
webkitgtk: use-after-free in WebCore::Frame::page↗2021-12-17
▶
Apple
CVE-2021-30889: Safari 15.1↗2021-10-27
▶