#VU39743 Input validation error in Fedora - CVE-2016-4797

Vulnerability identifier: #VU39743

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-2016-4797

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Fedora
Operating systems & Components / Operating system

Vendor: Fedoraproject

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (application crash) via a crafted jp2 file.

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

Vulnerable software versions

Fedora: 23 - 24

---

External links
https://www.openwall.com/lists/oss-security/2016/05/13/2
https://bugzilla.redhat.com/show_bug.cgi?id=1335483
https://github.com/uclouvain/openjpeg/commit/8f9cc62b3f9a1da9712329ddcedb9750d585505c
https://github.com/uclouvain/openjpeg/issues/733
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5FFMOZOF2EI6N2CR23EQ5EATWLQKBMHW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BJM23YERMEC6LCTWBUH7LZURGSLZDFDH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFRD35RIPRCGZA5DKAKHZ62LMP2A5UT7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPMDEUIMHTLKMHELDL4F4HZ7X4Y34JEB/
https://www.oracle.com/security-alerts/cpujul2020.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.