7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
50.2%
Debian Security Advisory DSA-4993-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
October 25, 2021 https://www.debian.org/security/faq
Package : php7.3
CVE ID : CVE-2021-21703
An out-of-bounds read and write flaw was discovered in the PHP-FPM code,
which could result in escalation of privileges from local unprivileged
user to the root user.
For the oldstable distribution (buster), this problem has been fixed
in version 7.3.31-1~deb10u1.
We recommend that you upgrade your php7.3 packages.
For the detailed security status of php7.3 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/php7.3
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | amd64 | php7.4-dba | < 7.4.25-1+deb11u1 | php7.4-dba_7.4.25-1+deb11u1_amd64.deb |
Debian | 9 | arm64 | php7.0-dba | < 7.0.33-0+deb9u12 | php7.0-dba_7.0.33-0+deb9u12_arm64.deb |
Debian | 9 | i386 | php7.0-pgsql | < 7.0.33-0+deb9u12 | php7.0-pgsql_7.0.33-0+deb9u12_i386.deb |
Debian | 10 | arm64 | php7.3-gmp-dbgsym | < 7.3.31-1~deb10u1 | php7.3-gmp-dbgsym_7.3.31-1~deb10u1_arm64.deb |
Debian | 10 | mipsel | php7.3-sqlite3 | < 7.3.31-1~deb10u1 | php7.3-sqlite3_7.3.31-1~deb10u1_mipsel.deb |
Debian | 11 | arm64 | php7.4-snmp-dbgsym | < 7.4.25-1+deb11u1 | php7.4-snmp-dbgsym_7.4.25-1+deb11u1_arm64.deb |
Debian | 11 | mipsel | libphp7.4-embed-dbgsym | < 7.4.25-1+deb11u1 | libphp7.4-embed-dbgsym_7.4.25-1+deb11u1_mipsel.deb |
Debian | 11 | mips64el | libphp7.4-embed | < 7.4.25-1+deb11u1 | libphp7.4-embed_7.4.25-1+deb11u1_mips64el.deb |
Debian | 11 | mips64el | php7.4-sqlite3-dbgsym | < 7.4.25-1+deb11u1 | php7.4-sqlite3-dbgsym_7.4.25-1+deb11u1_mips64el.deb |
Debian | 10 | mips | php7.3-xml | < 7.3.31-1~deb10u1 | php7.3-xml_7.3.31-1~deb10u1_mips.deb |
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
50.2%