CVE-2020-18899 — MEDIUM (6.5)

Vulnerability Description

An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Exiv2	Exiv2	0.27

Related Weaknesses (CWE)

CWE-770

References

https://cwe.mitre.org/data/definitions/789.htmlTechnical Description
https://github.com/Exiv2/exiv2/issues/742ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202312-06
https://cwe.mitre.org/data/definitions/789.htmlTechnical Description
https://github.com/Exiv2/exiv2/issues/742ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202312-06

FAQ

What is CVE-2020-18899?

CVE-2020-18899 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.

How severe is CVE-2020-18899?

CVE-2020-18899 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-18899?

Check the references section above for vendor advisories and patch information. Affected products include: Exiv2 Exiv2.