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CVE-2020-7060

MEDIUM
Published 2020-02-10T07:45:14.320387Z
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Expert Analysis

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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.056
probability
of exploitation in the wild

There is a 5.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.898
Higher than 89.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
LOW

Description

When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PHP Group

PHP

Affected Versions:

7.2.x 7.3.x 7.4.x

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-ch28-9wjf-88gw

Advisory Details

When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-7060
WEB https://bugs.php.net/bug.php?id=79037
WEB https://lists.debian.org/debian-lts-announce/2020/02/msg00030.html
WEB https://seclists.org/bugtraq/2020/Feb/27
WEB https://seclists.org/bugtraq/2020/Feb/31
WEB https://seclists.org/bugtraq/2021/Jan/3
WEB https://security.gentoo.org/glsa/202003-57
WEB https://security.netapp.com/advisory/ntap-20200221-0002
WEB https://usn.ubuntu.com/4279-1
WEB https://www.debian.org/security/2020/dsa-4626
WEB https://www.debian.org/security/2020/dsa-4628
WEB https://www.oracle.com/security-alerts/cpuApr2021.html
WEB https://www.oracle.com/security-alerts/cpujul2020.html
WEB https://www.tenable.com/security/tns-2021-14
WEB http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: July 2, 2022

References

https://seclists.org/bugtraq/2020/Feb/27
https://www.debian.org/security/2020/dsa-4626
https://usn.ubuntu.com/4279-1/
https://www.debian.org/security/2020/dsa-4628
https://seclists.org/bugtraq/2020/Feb/31
https://lists.debian.org/debian-lts-announce/2020/02/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
https://security.gentoo.org/glsa/202003-57
https://www.oracle.com/security-alerts/cpujul2020.html
https://security.netapp.com/advisory/ntap-20200221-0002/
https://bugs.php.net/bug.php?id=79037
https://seclists.org/bugtraq/2021/Jan/3
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.tenable.com/security/tns-2021-14
Published: 2020-02-10T07:45:14.320387Z
Last Modified: 2024-09-17T03:33:06.766Z
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