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Vulnerability Details : CVE-2021-32687

Redis is an open source, in-memory database that persists on disk. An integer overflow bug affecting all versions of Redis can be exploited to corrupt the heap and potentially be used to leak arbitrary contents of the heap or trigger remote code execution. The vulnerability involves changing the default set-max-intset-entries configuration parameter to a very large value and constructing specially crafted commands to manipulate sets. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the set-max-intset-entries configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
Publish Date : 2021-10-04 Last Update Date : 2022-09-29
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- CVSS Scores & Vulnerability Types

CVSS Score
6.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication ???
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 190

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:3918: redis:5 security update (Important) oval:com.redhat.rhsa:def:20213918 unix
RHSA-2021:3945: redis:6 security update (Important) oval:com.redhat.rhsa:def:20213945 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-32687

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 11.0 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
5 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
6 Application Netapp Management Services For Element Software - * * * Version Details Vulnerabilities
7 Application Netapp Management Services For Netapp Hci - * * * Version Details Vulnerabilities
8 Application Oracle Communications Operations Monitor 4.3 * * * Version Details Vulnerabilities
9 Application Oracle Communications Operations Monitor 4.4 * * * Version Details Vulnerabilities
10 Application Oracle Communications Operations Monitor 5.0 * * * Version Details Vulnerabilities
11 Application Redis Redis * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Fedoraproject Fedora 3
Netapp Management Services For Element Software 1
Netapp Management Services For Netapp Hci 1
Oracle Communications Operations Monitor 3
Redis Redis 1

- References For CVE-2021-32687

https://security.gentoo.org/glsa/202209-17
GENTOO GLSA-202209-17
https://www.debian.org/security/2021/dsa-5001
DEBIAN DSA-5001
https://lists.fedoraproject.org/archives/list/[email protected]/message/WR5WKJWXD4D6S3DJCZ56V74ESLTDQRAB/
FEDORA FEDORA-2021-aa94492a09
https://www.oracle.com/security-alerts/cpuapr2022.html
https://security.netapp.com/advisory/ntap-20211104-0003/ CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/HTYQ5ZF37HNGTZWVNJD3VXP7I6MEEF42/
FEDORA FEDORA-2021-61c487f241
https://github.com/redis/redis/commit/a30d367a71b7017581cf1ca104242a3c644dec0f
https://lists.fedoraproject.org/archives/list/[email protected]/message/VL5KXFN3ATM7IIM7Q4O4PWTSRGZ5744Z/
FEDORA FEDORA-2021-8913c7900c
https://github.com/redis/redis/security/advisories/GHSA-m3mf-8x9w-r27q CONFIRM

- Metasploit Modules Related To CVE-2021-32687

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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