Multiple vulnerabilities in GNU Exiv2

Published: 2022-09-20 | Updated: 2023-12-22

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-18899 CVE-2020-18771
CWE-ID	CWE-770 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Exiv2 Universal components / Libraries / Libraries used by multiple products
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU84708

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-2020-18899

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

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

The vulnerability exists due to an uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function. A remote attacker can pass specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Exiv2: before 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/742

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) Out-of-bounds read

EUVDB-ID: #VU84705

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-18771

CWE-ID: CWE-125 - Out-of-bounds read