Red Hat Enterprise Linux 8.4 TUS update for the 389-ds:1.4 module
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-0918 CVE-2022-0996 |
| CWE-ID | CWE-119 CWE-613 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU63128
Risk: Medium
CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID: CVE-2022-0918
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when handling network packets. A remote attacker can create a single TCP packet to the LDAP port, trigger a segmentation fault and crash the slapd daemon.
Install updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.4
CPE2.3 External linkshttps://access.redhat.com/errata/RHSA-2022:5620
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
2) Insufficient Session Expiration
EUVDB-ID: #VU64661
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-0996
CWE-ID:
CWE-613 - Insufficient Session Expiration
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient session expiration issue that allows expired passwords to access the database to cause improper authentication. A remote non-authenticated attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.4
CPE2.3 External linkshttps://access.redhat.com/errata/RHSA-2022:5620
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
