Denial of service in Poppler
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-23804 |
| CWE-ID | CWE-674 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Poppler Client/Desktop applications / Office applications |
| Vendor | Freedesktop.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Uncontrolled recursion
EUVDB-ID: #VU81718
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-23804
CWE-ID:
CWE-674 - Uncontrolled Recursion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion in pdfinfo and pdftops. A remote attacker can pass a specially crafted document to application and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsPoppler: 0.89.0
External linkshttp://gitlab.freedesktop.org/poppler/poppler/-/issues/936
http://gitlab.freedesktop.org/poppler/poppler/-/commit/ec8a43c8df29fdd6f1228276160898ccd9401c92
http://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/584
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.
