Multiple vulnerabilities in Pulse Connect Secure
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2018-20809 CVE-2018-20810 CVE-2018-20814 |
| CWE-ID | CWE-20 CWE-326 CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ivanti Connect Secure (formerly Pulse Connect Secure) Server applications / Remote access servers, VPN Ivanti Policy Secure (formerly Pulse Policy Secure) Server applications / Remote access servers, VPN |
| Vendor | Ivanti |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU35774
Risk: Medium
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-2018-20809
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
A crafted message can cause the web server to crash with Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R5 and Pulse Policy Secure 5.4RX before 5.4R5. This is not applicable to PCS 8.1RX.
MitigationInstall update from vendor's website.
Vulnerable software versionsIvanti Connect Secure (formerly Pulse Connect Secure): 8.3
Ivanti Policy Secure (formerly Pulse Policy Secure): 4.4 - 8.3
External linkshttp://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Inadequate Encryption Strength
EUVDB-ID: #VU35775
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-20810
CWE-ID:
CWE-326 - Inadequate Encryption Strength
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Session data between cluster nodes during cluster synchronization is not properly encrypted in Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.4RX before 5.4R2. This is not applicable to PCS 8.1RX, PPS 5.2RX, or stand-alone devices.
MitigationInstall update from vendor's website.
Vulnerable software versionsIvanti Connect Secure (formerly Pulse Connect Secure): 8.3
Ivanti Policy Secure (formerly Pulse Policy Secure): 5.4 - 8.3
External linkshttp://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Cross-site scripting
EUVDB-ID: #VU35779
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-20814
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to read and manipulate data.
An XSS issue was found with Psaldownload.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.3R2 before 8.3R2 and Pulse Policy Secure (PPS) 5.4RX before 5.4R2. This is not applicable to PCS 8.1RX or PPS 5.2RX.
MitigationInstall update from vendor's website.
Vulnerable software versionsIvanti Connect Secure (formerly Pulse Connect Secure): 8.3
Ivanti Policy Secure (formerly Pulse Policy Secure): 5.4 - 8.3
External linkshttp://www.securityfocus.com/bid/109033
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
