#VU39396 NULL pointer dereference in Fedora - CVE-2016-8887

Vulnerability identifier: #VU39396

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-2016-8887

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Fedora
Operating systems & Components / Operating system

Vendor: 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/jp2/jp2_cod.c in JasPer before 1.900.10 allows remote attackers to cause a denial of service (NULL pointer dereference). A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Fedora: 23 - 24

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External links
https://www.openwall.com/lists/oss-security/2016/10/23/3
https://www.openwall.com/lists/oss-security/2016/10/23/6
https://www.securityfocus.com/bid/93835
https://blogs.gentoo.org/ago/2016/10/18/jasper-null-pointer-dereference-in-jp2_colr_destroy-jp2_cod-c
https://bugzilla.redhat.com/show_bug.cgi?id=1388828
https://github.com/mdadams/jasper/commit/e24bdc716c3327b067c551bc6cfb97fd2370358d
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/
https://usn.ubuntu.com/3693-1/

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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.