Ubuntu.comUB:CVE-2020-7065CVE-2020-7065
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
76.0%
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.
Bugs
Notes
| Author | Note |
|---|---|
| sbeattie | PEAR issues should go against php-pear as of xenial |
References
git.php.net/?p=php-src.git;a=commitdiff;h=69155120e68d2e614d5c300974a1a5610cfa2e8b;hp=e2b5f18896ca4169859c8ca058a9926aad6e3763
launchpad.net/bugs/cve/CVE-2020-7065
nvd.nist.gov/vuln/detail/CVE-2020-7065
security-tracker.debian.org/tracker/CVE-2020-7065
ubuntu.com/security/notices/USN-4330-1
ubuntu.com/security/notices/USN-4330-2
www.cve.org/CVERecord?id=CVE-2020-7065
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
76.0%