#VU95539 Improper Neutralization of Special Elements in Output Used by a Downstream Component in wrangler - CVE-2022-43756

Vulnerability identifier: #VU95539

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-43756

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
wrangler
Server applications / Frameworks for developing and running applications

Vendor: rancher

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper neutralization of special elements in output used by a downstream component. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wrangler: before 0.7.4-security1

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External links
https://bugzilla.suse.com/show_bug.cgi?id=1205296

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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.