VMware Tanzu products update for Kerberos
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2018-20217 CVE-2022-42898 |
| CWE-ID | CWE-617 CWE-190 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
VMware Tanzu Application Service for VMs Server applications / Other server solutions Isolation Segment Server applications / Other server solutions VMware Tanzu Operations Manager Server applications / Virtualization software Platform Automation Toolkit Other software / Other software solutions |
| Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Reachable Assertion
EUVDB-ID: #VU17350
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-20217
CWE-ID:
CWE-617 - Reachable Assertion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion in in the KDC. A remote attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4) and crash the KDC by making an S4U2Self request.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Tanzu Application Service for VMs: All versions
Isolation Segment: All versions
VMware Tanzu Operations Manager: before 3.0.4
Platform Automation Toolkit: before 5.1.0
External linkshttp://tanzu.vmware.com/security/usn-5828-1
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.
2) Integer overflow
EUVDB-ID: #VU69337
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-42898
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to an integer overflow within the S4U2Proxy handler on 32-bit systems. A remote user can send specially crafted request to the KDC server, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Tanzu Application Service for VMs: All versions
Isolation Segment: All versions
VMware Tanzu Operations Manager: before 3.0.4
Platform Automation Toolkit: before 5.1.0
External linkshttp://tanzu.vmware.com/security/usn-5828-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
