Uncontrolled Memory Allocation Vulnerability in Exiv2 by Exiv2 Team
CVE-2020-18899

6.5MEDIUM

Key Information:

Vendor

Exiv2

Status
Exiv2
Vendor
CVE Published:
19 August 2021

What is CVE-2020-18899?

A vulnerability in the Exiv2 software version 0.27 arises from uncontrolled memory allocation in the DataBufdata function. By sending specially crafted input, an attacker can trigger this flaw, potentially leading to a denial of service (DOS) condition. This highlights a critical need for developers to sanitize and validate input while managing memory allocation, thereby safeguarding applications from potential exploits.

References

https://github.com/Exiv2/exiv2/issues/742
https://cwe.mitre.org/data/definitions/789.html
https://security.gentoo.org/glsa/202312-06
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-18899 : Uncontrolled Memory Allocation Vulnerability in Exiv2 by Exiv2 Team