CVE-2020-7065
Apache PHP MB_Strtolower Heap-Based Buffer Overflow
Description
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
INFO
Published Date :
April 1, 2020, 4:15 a.m.
Last Modified :
Dec. 2, 2021, 10:09 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2020-7065 has a 2 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-2020-7065
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-2020-7065.
| URL | Resource |
|---|---|
| https://bugs.php.net/bug.php?id=79371 | Exploit Issue Tracking Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20200403-0001/ | Third Party Advisory |
| https://usn.ubuntu.com/4330-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4330-2/ | Third Party Advisory |
| https://www.debian.org/security/2020/dsa-4719 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Patch Third Party Advisory |
| https://www.php.net/ChangeLog-7.php#7.4.4 | Release Notes Vendor Advisory |
| https://www.tenable.com/security/tns-2021-14 | Third Party 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).
None
hackerone one million reports
bugbountytips vulnerability-research
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7065 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7065 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]
Dec. 02, 2021
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory Changed Reference Type https://www.tenable.com/security/tns-2021-14 No Types Assigned https://www.tenable.com/security/tns-2021-14 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* versions up to (excluding) 5.19.0 -
CVE Modified by [email protected]
Oct. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 22, 2021
Action Type Old Value New Value Added Reference https://www.tenable.com/security/tns-2021-14 [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 01, 2020
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20200403-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20200403-0001/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4330-1/ No Types Assigned https://usn.ubuntu.com/4330-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4330-2/ No Types Assigned https://usn.ubuntu.com/4330-2/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2020/dsa-4719 No Types Assigned https://www.debian.org/security/2020/dsa-4719 Third Party Advisory Changed Reference Type https://www.php.net/ChangeLog-7.php#7.4.4 No Types Assigned https://www.php.net/ChangeLog-7.php#7.4.4 Release Notes, Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.3.0 up to (excluding) 7.3.16 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (excluding) 7.4.34 OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.3.0 up to (excluding) 7.3.16 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (excluding) 7.4.4 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* -
CVE Modified by [email protected]
Jul. 08, 2020
Action Type Old Value New Value Changed Description In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution. In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution. Added Reference https://www.php.net/ChangeLog-7.php#7.4.4 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 08, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4719 [No Types Assigned] -
CVE Modified by [email protected]
May. 11, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4330-2/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 27, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4330-1/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 03, 2020
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20200403-0001/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 01, 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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.php.net/bug.php?id=79371 No Types Assigned https://bugs.php.net/bug.php?id=79371 Exploit, Issue Tracking, Patch, Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.3.0 up to (excluding) 7.3.16 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (excluding) 7.4.34
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7065 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-2020-7065
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.50 }} 0.00%
score
0.72521
percentile