Multiple vulnerabilities in Pelco Digital Sentry Server
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-27197 CVE-2021-27232 |
| CWE-ID | CWE-284 CWE-119 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
Digital Sentry Server applications / Other server solutions |
| Vendor | Pelco |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
Updated 18.02.2021
Added vulnerability #2
1) Improper access control
EUVDB-ID: #VU50718
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-27197
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within the "AppendToTextFile" method in DSUtility.dll. A remote attacker can trick a victim to open a specially crafted webpage and write arbitrary files on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDigital Sentry: before 7.19.67
External linkshttp://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server_AFW.txt
http://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history
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) Buffer overflow
EUVDB-ID: #VU50802
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-27232
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the RTSPLive555.dll ActiveX control in SetCameraConnectionParameter. A remote attacker can trick a victim to visit a malicious website, trigger memory corruption 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 versionsDigital Sentry: 7.18.72.11464
External linkshttp://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server-RSTPLive555%20Activex%20Buffer%20overflow.txt
http://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history
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.
