Multiple vulnerabilities in VMware Tanzu Products
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-3156 CVE-2021-23239 |
| CWE-ID | CWE-122 CWE-59 |
| Exploitation vector | Local |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software Subscribe |
VMware Tanzu Operations Manager Server applications / Virtualization software Isolation Segment Server applications / Other server solutions VMware Tanzu Application Service for VMs Server applications / Other server solutions Tanzu Greenplum for Kubernetes Other software / Other software solutions |
| Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Heap-based buffer overflow
EUVDB-ID: #VU50040
Risk: Low
CVSSv3.1: 7.5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2021-3156
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in sudo. A local user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system with root privileges.
Install update from vendor's website.
Vulnerable software versionsVMware Tanzu Operations Manager: before 2.10.6
Isolation Segment: before 2.10.10
VMware Tanzu Application Service for VMs: before 2.10.11
Tanzu Greenplum for Kubernetes: before 2.0.0
External linkshttp://tanzu.vmware.com/security/usn-4705-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
2) Link following
EUVDB-ID: #VU49883
Risk: Low
CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23239
CWE-ID:
CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Exploit availability: No
DescriptionThe vulnerability allows a local authenticated user to gain access to sensitive information.
The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.
MitigationInstall update from vendor's website.
Vulnerable software versionsVMware Tanzu Operations Manager: before 2.10.6
Isolation Segment: before 2.10.10
VMware Tanzu Application Service for VMs: before 2.10.11
Tanzu Greenplum for Kubernetes: before 2.0.0
External linkshttp://tanzu.vmware.com/security/usn-4705-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
