Debian LTS: Security Advisory for php7.0 (DLA-2708-1)

Published: 2021-07-16 03:00:19
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'php7.0' Linux Distribution Package(s) announced via the DLA-2708-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
Several vulnerabilities were discovered in php5, a server-side, HTML-embedded scripting language. An attacker could cause denial of service (DoS), memory corruption and potentially execution of arbitrary code, and server-side request forgery (SSRF) bypass. CVE-2019-18218 fileinfo: cdf_read_property_info in cdf.c does not restrict the number of CDF_VECTOR elements, which allows a heap-based buffer overflow (4-byte out-of-bounds write). CVE-2020-7071 When validating URL with functions like filter_var($url, FILTER_VALIDATE_URL), PHP will accept an URL with invalid password as valid URL. This may lead to functions that rely on URL being valid to mis-parse the URL and produce wrong data as components of the URL. CVE-2021-21702 When using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash. CVE-2021-21704 Multiple firebird issues. CVE-2021-21705 SSRF bypass in FILTER_VALIDATE_URL.

Affected Versions:
'php7.0' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 9 stretch, these problems have been fixed in version 7.0.33-0+deb9u11. We recommend that you upgrade your php7.0 Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-18218
https://nvd.nist.gov/vuln/detail/CVE-2020-7071
https://nvd.nist.gov/vuln/detail/CVE-2021-21702
https://nvd.nist.gov/vuln/detail/CVE-2021-21704
https://nvd.nist.gov/vuln/detail/CVE-2021-21705

References:

https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html
https://security-tracker.debian.org/tracker/DLA-2708-1

https://bugs.debian.org/942830
https://bugs.debian.org/990575

Severity
High
CVSS Score
7.5
Published
2021-07-16
Modified
2021-07-16
Category
Debian Local Security Checks

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