Denial of service in Poppler



| Updated: 2019-08-01
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11026
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Poppler
Client/Desktop applications / Office applications

Vendor Freedesktop.org

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU19597

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-2019-11026

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

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

CPE2.3 External links

https://gitlab.freedesktop.org/poppler/poppler/issues/752
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T5JWQE2WP4W4F2FEYPYJQBPQIOG75MVH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XGYLZZ4DZUDBQEGCNDWSZPSFNNZJF4S6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWWVIYFXM74KJFIDHP4W67HR4FRF2LDE/
https://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.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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