Vulnerability Name: | CVE-2020-7065 (CCN-178287) |
Assigned: | 2020-03-17 |
Published: | 2020-03-17 |
Updated: | 2021-12-02 |
Summary: | 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. |
CVSS v3 Severity: | 8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) 7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): High Integrity (I): High Availibility (A): High | 8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) 7.9 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): High Integrity (I): High Availibility (A): High | 8.8 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) 7.9 High (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): High Integrity (I): High Availibility (A): High |
|
CVSS v2 Severity: | 6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)Exploitability Metrics: | Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None | Impact Metrics: | Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial | 9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)Exploitability Metrics: | Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
| Impact Metrics: | Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete |
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Vulnerability Type: | CWE-787
|
Vulnerability Consequences: | Gain Access |
References: | Source: MITRE Type: CNA CVE-2020-7065
Source: CCN Type: PHP Sec Bug #79371 mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
Source: MISC Type: Exploit, Issue Tracking, Patch, Vendor Advisory https://bugs.php.net/bug.php?id=79371
Source: XF Type: UNKNOWN php-cve20207065-bo(178287)
Source: CONFIRM Type: Third Party Advisory https://security.netapp.com/advisory/ntap-20200403-0001/
Source: UBUNTU Type: Third Party Advisory USN-4330-1
Source: UBUNTU Type: Third Party Advisory USN-4330-2
Source: DEBIAN Type: Third Party Advisory DSA-4719
Source: CCN Type: IBM Security Bulletin 6235058 (API Connect) IBM API Connect is impacted by vulnerabilities in PHP (CVE-2020-7066, CVE-2020-7065, CVE-2020-7064)
Source: MISC Type: Patch, Third Party Advisory https://www.oracle.com/security-alerts/cpuoct2021.html
Source: CCN Type: PHP Web site PHP
Source: CONFIRM Type: Release Notes, Vendor Advisory https://www.php.net/ChangeLog-7.php#7.4.4
Source: CONFIRM Type: Third Party Advisory https://www.tenable.com/security/tns-2021-14
Source: CCN Type: WhiteSource Vulnerability Database CVE-2020-7065
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Vulnerable Configuration: | Configuration 1: cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 7.3.0 and < 7.3.16)OR cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 7.4.0 and < 7.4.4) Configuration 2: cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:* Configuration 3: cpe:/o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*OR cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*OR cpe:/o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*OR cpe:/o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Configuration 4: cpe:/a:tenable:tenable.sc:*:*:*:*:*:*:*:* (Version < 5.19.0) Configuration RedHat 1: cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:* Configuration RedHat 2: cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:* Configuration CCN 1: cpe:/a:php:php:-:*:*:*:*:*:*:*AND cpe:/a:ibm:api_connect:5.0.0.0:*:*:*:*:*:*:*OR cpe:/a:ibm:api_connect:2018.4.1.0:*:*:*:*:*:*:*OR cpe:/a:ibm:api_connect:2018.4.1.10:*:*:*:*:*:*:*OR cpe:/a:ibm:api_connect:5.0.8.8:*:*:*:*:*:*:*
Denotes that component is vulnerable |
Oval Definitions |
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BACK |
php php *
php php *
debian debian linux 10.0
canonical ubuntu linux 12.04
canonical ubuntu linux 14.04
canonical ubuntu linux 16.04
canonical ubuntu linux 18.04
canonical ubuntu linux 19.10
canonical ubuntu linux 20.04
tenable tenable.sc *
php php -
ibm api connect 5.0.0.0
ibm api connect 2018.4.1.0
ibm api connect 2018.4.1.10
ibm api connect 5.0.8.8