#VU39395 Reachable Assertion in JasPer - CVE-2016-9399

Vulnerability identifier: #VU39395

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-2016-9399

CWE-ID: CWE-617

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JasPer
Client/Desktop applications / Multimedia software

Vendor: The JasPer Project

Description

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

The vulnerability exists due to reachable assertion in calcstepsizes function in jpc_dec.c in JasPer 1.900.22. A remote attacker can perform a denial of service (DoS) attack via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

JasPer: 1.900.22

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External links
https://www.openwall.com/lists/oss-security/2016/11/17/1
https://www.securityfocus.com/bid/94380
https://blogs.gentoo.org/ago/2016/11/16/jasper-multiple-assertion-failure
https://bugzilla.redhat.com/show_bug.cgi?id=1396981

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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.