CVE-2020-18831 — HIGH (7.8)

Vulnerability Description

Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Exiv2	Exiv2	0.27.1

Related Weaknesses (CWE)

CWE-787

References

https://github.com/Exiv2/exiv2/issues/828ExploitIssue TrackingPatch
https://www.exiv2.org/download.htmlBroken Link
https://github.com/Exiv2/exiv2/issues/828ExploitIssue TrackingPatch
https://www.exiv2.org/download.htmlBroken Link

FAQ

What is CVE-2020-18831?

CVE-2020-18831 is a vulnerability with a CVSS score of 7.8 (HIGH). Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.

How severe is CVE-2020-18831?

CVE-2020-18831 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-18831?

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