#VU7486 Null pointer dereference in Poppler - CVE-2017-9083

Vulnerability identifier: #VU7486

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-9083

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Poppler
Client/Desktop applications / Office applications

Vendor: Freedesktop.org

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to NULL pointer dereference in the JPXStream::readUByte function in JPXStream.cc when handling malicious content. A remote attacker can send specially crafted PDF file, trick the victim into opening it, trigger segmentation fault and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Update to the latest version.

Vulnerable software versions

Poppler: 0.54.0

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External links
https://bugs.freedesktop.org/show_bug.cgi?id=101084

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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.