CVE-2018-20450

The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/evanmiller/libxls/issues/34	Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202003-64
https://github.com/evanmiller/libxls/issues/34	Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202003-64

Configurations

Configuration 1 (hide)

cpe:2.3:a:libxls_project:libxls:1.4.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-12-25 17:29

Updated : 2024-11-21 04:01

NVD link : CVE-2018-20450

Mitre link : CVE-2018-20450

CVE.ORG link : CVE-2018-20450

JSON object : View

Products Affected

libxls_project

libxls

CWE

CWE-415

Double Free

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