Vulnerability identifier: #VU19597

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11026

CWE-ID: CWE-835

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 perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in FontInfoScanner::scanFonts() function in FontInfo.cc. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Poppler: 0.75.0

---

External links
http://gitlab.freedesktop.org/poppler/poppler/issues/752
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T5JWQE2WP4W4F2FEYPYJQBPQIOG75MVH/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XGYLZZ4DZUDBQEGCNDWSZPSFNNZJF4S6/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWWVIYFXM74KJFIDHP4W67HR4FRF2LDE/
http://research.loginsoft.com/bugs/1508/

---

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.