#VU39348 NULL pointer dereference in JasPer and Fedora - CVE-2016-8884

Vulnerability identifier: #VU39348

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-8884

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
JasPer
Client/Desktop applications / Multimedia software
Fedora
Operating systems & Components / Operating system

Vendor: The JasPer Project
Fedoraproject

Description

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

The vulnerability exists due to a NULL pointer dereference error in libjasper/bmp/bmp_dec.c in JasPer 1.900.5 allows remote attackers to cause a denial of service (NULL pointer dereference) by calling the imginfo command with a crafted BMP image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8690. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

JasPer: 1.900.5

Fedora: 1.900.5 - 24

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External links
https://www.openwall.com/lists/oss-security/2016/10/23/1
https://www.openwall.com/lists/oss-security/2016/10/23/9
https://www.securityfocus.com/bid/93834
https://access.redhat.com/errata/RHSA-2017:1208
https://blogs.gentoo.org/ago/2016/10/18/jasper-two-null-pointer-dereference-in-bmp_getdata-bmp_dec-c-incomplete-fix-for-cve-2016-8690/
https://bugzilla.redhat.com/show_bug.cgi?id=1385499
https://github.com/mdadams/jasper/commit/5d66894d2313e3f3469f19066e149e08ff076698
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22FCKKHQCQ3S6TZY5G44EFDTMWOJXJRD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EGI2FZQLOTSZI3VA4ECJERI74SMNQDL4/

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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.