CVE-2020-27930
Apple Multiple Products Memory Corruption Vulnerab - [Actively Exploited]
Description
A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.
INFO
Published Date :
Dec. 8, 2020, 9:15 p.m.
Last Modified :
Feb. 11, 2021, 7:50 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Apple iOS, iPadOS, macOS, and watchOS FontParser contain a memory corruption vulnerability which may allow for code execution when processing maliciously crafted front.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2020-27930 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-27930
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-27930.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2020/Dec/32 | Mailing List Third Party Advisory |
| https://support.apple.com/en-us/HT211928 | Vendor Advisory |
| https://support.apple.com/en-us/HT211929 | Vendor Advisory |
| https://support.apple.com/en-us/HT211931 | Vendor Advisory |
| https://support.apple.com/en-us/HT211940 | Vendor Advisory |
| https://support.apple.com/en-us/HT211944 | Vendor Advisory |
| https://support.apple.com/en-us/HT211945 | Vendor Advisory |
| https://support.apple.com/en-us/HT211946 | Vendor Advisory |
| https://support.apple.com/en-us/HT211947 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
None
Apple Safari Remote Code Execution
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-27930 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-27930 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 11, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html Third Party Advisory, VDB Entry Changed Reference Type http://seclists.org/fulldisclosure/2020/Dec/32 No Types Assigned http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory Removed CWE NIST CWE-20 Added CWE NIST CWE-787 -
CVE Modified by [email protected]
Feb. 05, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 15, 2020
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2020/Dec/32 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 09, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://support.apple.com/en-us/HT211928 No Types Assigned https://support.apple.com/en-us/HT211928 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211929 No Types Assigned https://support.apple.com/en-us/HT211929 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211931 No Types Assigned https://support.apple.com/en-us/HT211931 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211940 No Types Assigned https://support.apple.com/en-us/HT211940 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211944 No Types Assigned https://support.apple.com/en-us/HT211944 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211945 No Types Assigned https://support.apple.com/en-us/HT211945 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211946 No Types Assigned https://support.apple.com/en-us/HT211946 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT211947 No Types Assigned https://support.apple.com/en-us/HT211947 Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 14.2 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 12.4.9 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions from (including) 14.0 up to (excluding) 14.2 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.15.7 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.0.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.9 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions from (including) 6.0 up to (excluding) 6.2.9 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions from (including) 7.0 up to (excluding) 7.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-27930 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-27930
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.19 }} 0.02%
score
0.56004
percentile