6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack 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
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
51.0%
Debian LTS Advisory DLA-2794-1 [email protected]
https://www.debian.org/lts/security/ Sylvain Beucler
October 27, 2021 https://wiki.debian.org/LTS
Package : php7.0
Version : 7.0.33-0+deb9u12
CVE ID : CVE-2021-21703
Debian Bug : 997003
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 Debian 9 stretch, this problem has been fixed in version
7.0.33-0+deb9u12.
We recommend that you upgrade your php7.0 packages.
For the detailed security status of php7.0 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/php7.0
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | arm64 | php7.0-mysql | < 7.0.33-0+deb9u12 | php7.0-mysql_7.0.33-0+deb9u12_arm64.deb |
Debian | 9 | armhf | php7.0-ldap | < 7.0.33-0+deb9u12 | php7.0-ldap_7.0.33-0+deb9u12_armhf.deb |
Debian | 10 | amd64 | php7.3-opcache | < 7.3.31-1~deb10u1 | php7.3-opcache_7.3.31-1~deb10u1_amd64.deb |
Debian | 10 | armel | php7.3-fpm-dbgsym | < 7.3.31-1~deb10u1 | php7.3-fpm-dbgsym_7.3.31-1~deb10u1_armel.deb |
Debian | 11 | s390x | php7.4-odbc-dbgsym | < 7.4.25-1+deb11u1 | php7.4-odbc-dbgsym_7.4.25-1+deb11u1_s390x.deb |
Debian | 9 | amd64 | php7.0-common | < 7.0.33-0+deb9u12 | php7.0-common_7.0.33-0+deb9u12_amd64.deb |
Debian | 11 | i386 | php7.4-bz2 | < 7.4.25-1+deb11u1 | php7.4-bz2_7.4.25-1+deb11u1_i386.deb |
Debian | 10 | i386 | php7.3-gmp-dbgsym | < 7.3.31-1~deb10u1 | php7.3-gmp-dbgsym_7.3.31-1~deb10u1_i386.deb |
Debian | 11 | s390x | php7.4-snmp | < 7.4.25-1+deb11u1 | php7.4-snmp_7.4.25-1+deb11u1_s390x.deb |
Debian | 10 | amd64 | php7.3-xml-dbgsym | < 7.3.31-1~deb10u1 | php7.3-xml-dbgsym_7.3.31-1~deb10u1_amd64.deb |
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack 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
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
51.0%