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 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 | 10 | mipsel | php7.3-interbase | < 7.3.31-1~deb10u1 | php7.3-interbase_7.3.31-1~deb10u1_mipsel.deb |
Debian | 10 | armhf | libphp7.3-embed | < 7.3.31-1~deb10u1 | libphp7.3-embed_7.3.31-1~deb10u1_armhf.deb |
Debian | 10 | arm64 | php7.3-cgi | < 7.3.31-1~deb10u1 | php7.3-cgi_7.3.31-1~deb10u1_arm64.deb |
Debian | 11 | i386 | php7.4-common-dbgsym | < 7.4.25-1+deb11u1 | php7.4-common-dbgsym_7.4.25-1+deb11u1_i386.deb |
Debian | 11 | amd64 | libphp7.4-embed-dbgsym | < 7.4.25-1+deb11u1 | libphp7.4-embed-dbgsym_7.4.25-1+deb11u1_amd64.deb |
Debian | 11 | mips64el | php7.4-snmp-dbgsym | < 7.4.25-1+deb11u1 | php7.4-snmp-dbgsym_7.4.25-1+deb11u1_mips64el.deb |
Debian | 10 | mipsel | libphp7.3-embed | < 7.3.31-1~deb10u1 | libphp7.3-embed_7.3.31-1~deb10u1_mipsel.deb |
Debian | 10 | amd64 | php7.3-cgi | < 7.3.31-1~deb10u1 | php7.3-cgi_7.3.31-1~deb10u1_amd64.deb |
Debian | 10 | s390x | php7.3-interbase-dbgsym | < 7.3.31-1~deb10u1 | php7.3-interbase-dbgsym_7.3.31-1~deb10u1_s390x.deb |
Debian | 10 | s390x | php7.3-zip-dbgsym | < 7.3.31-1~deb10u1 | php7.3-zip-dbgsym_7.3.31-1~deb10u1_s390x.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%