Memory leak in JasPer

1) Memory leak

EUVDB-ID: #VU36437

Risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-19139

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to memory leak within jas_malloc.c when called from jpc_unk_getparms in jpc_cs.c. A remote attacker can perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

JasPer: 2.0.14

Fedora: 2.0.14

Debian Linux: 2.0.14 - 8.0

External links

http://www.securityfocus.com/bid/105956
http://github.com/mdadams/jasper/issues/188
http://lists.debian.org/debian-lts-announce/2019/01/msg00003.html
http://www.oracle.com/security-alerts/cpuapr2020.html

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.