VulnerabilityAnalyzed
CVE-2021-30860
Apple Multiple Products Integer Overflow Vulnerability
KEVHIGH 7.8EPSS 76.0%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 75.99% probability · 100th percentile
- CISA KEV
- Listed 3 November 2021 · due 17 November 2021
- Weakness
- CWE-190
- Affected
- apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/watchos · xpdfreader/xpdf · freedesktop/poppler
- Source
- product-security@apple.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-30860
References
- http://seclists.org/fulldisclosure/2021/Sep/25Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/26Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/27Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/28Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/38Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/39Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/40Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/50Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/02/11Mailing List
- https://security.gentoo.org/glsa/202209-21Third Party Advisory
- https://support.apple.com/en-us/HT212804Vendor Advisory
- https://support.apple.com/en-us/HT212805Vendor Advisory
- https://support.apple.com/en-us/HT212806Vendor Advisory
- https://support.apple.com/en-us/HT212807Vendor Advisory
- https://support.apple.com/kb/HT212824Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/25Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/26Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/27Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/28Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/38Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/39Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/40Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/50Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/02/11Mailing List
- https://security.gentoo.org/glsa/202209-21Third Party Advisory
- https://support.apple.com/en-us/HT212804Vendor Advisory
- https://support.apple.com/en-us/HT212805Vendor Advisory
- https://support.apple.com/en-us/HT212806Vendor Advisory
- https://support.apple.com/en-us/HT212807Vendor Advisory
- https://support.apple.com/kb/HT212824Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.