Multiple vulnerabilities in VMware Tanzu Products
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2018-20482 CVE-2019-9923 |
| CWE-ID | CWE-835 CWE-476 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| 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 Platform Automation Toolkit Other software / Other software solutions Tanzu Greenplum for Kubernetes Other software / Other software solutions |
| Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Infinite loop
EUVDB-ID: #VU16782
Risk: Low
CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-20482
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the application mishandles file shrinkage during read access when --sparse is used. A local attacker can trigger infinite read loop in sparse_dump_region in sparse.c by modifying a file that is supposed to be archived by a different user's process (e.g., a system backup running as root) and cause denial of service conditions.
MitigationInstall update from vendor's website.
Vulnerable software versionsVMware Tanzu Operations Manager: before 2.10.5
Isolation Segment: before 2.10.10
VMware Tanzu Application Service for VMs: before 2.10.11
Platform Automation Toolkit: before 5.0.13
Tanzu Greenplum for Kubernetes: before 2.0.0
External linkshttp://tanzu.vmware.com/security/usn-4692-1
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. However, proof of concept for this vulnerability is available.
2) NULL pointer dereference
EUVDB-ID: #VU18058
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9923
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error in sparse.c in when parsing certain archives that have malformed extended headers. A remote attacker can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsVMware Tanzu Operations Manager: before 2.10.5
Isolation Segment: before 2.10.10
VMware Tanzu Application Service for VMs: before 2.10.11
Platform Automation Toolkit: before 5.0.13
Tanzu Greenplum for Kubernetes: before 2.0.0
External linkshttp://tanzu.vmware.com/security/usn-4692-1
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.
