openEuler 20.03 LTS SP1 update for pdfbox

Published: 2021-07-03

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-31811 CVE-2021-31812
CWE-ID	CWE-400 CWE-835
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system pdfbox-tools Operating systems & Components / Operating system package or component pdfbox-parent Operating systems & Components / Operating system package or component pdfbox-reactor Operating systems & Components / Operating system package or component pdfbox-debugger Operating systems & Components / Operating system package or component pdfbox-javadoc Operating systems & Components / Operating system package or component preflight Operating systems & Components / Operating system package or component fontbox Operating systems & Components / Operating system package or component xmpbox Operating systems & Components / Operating system package or component pdfbox Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU54079

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-2021-31811

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when processing PDF files. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

pdfbox-tools: before 2.0.24-1

pdfbox-parent: before 2.0.24-1

pdfbox-reactor: before 2.0.24-1

pdfbox-debugger: before 2.0.24-1

pdfbox-javadoc: before 2.0.24-1

preflight: before 2.0.24-1

fontbox: before 2.0.24-1

xmpbox: before 2.0.24-1

pdfbox: before 2.0.24-1

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1256

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.

2) Infinite loop

EUVDB-ID: #VU54080