#VU86058 NULL pointer dereference in JasPer - CVE-2021-3443

Vulnerability identifier: #VU86058

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:L/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-2021-3443

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
JasPer
Client/Desktop applications / Multimedia software

Vendor: The JasPer Project

Description

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

The vulnerability exists due to a NULL pointer dereference error. A local attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

JasPer: 1.701.0 - 2.0.26

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1939233

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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.