Vulnerability identifier: #VU37141
Vulnerability risk: Medium
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:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Server applications /
Remote access servers, VPN
Vendor: Ivanti
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Pulse Secure Pulse Connect Secure 8.1.x before 8.1R14, 8.2.x before 8.2R11, and 8.3.x before 8.3R5 do not properly process nested XML entities, which allows remote attackers to cause a denial of service (memory consumption and memory errors) via a crafted XML document.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Ivanti Connect Secure (formerly Pulse Connect Secure): 8.3 - 8.3R4
External links
http://www.securityfocus.com/bid/104160
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730
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.