PT-2018-15387 · Libxls · Libxls

Leonzhao7 · Published 2018-12-25 · Updated 2020-03-30 · CVE-2018-20452

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libxls version 1.4.0

Description The issue is related to an invalid free in the read MSAT body function in ole.c, which can be triggered by a crafted file. This is due to inconsistent memory management in the ole2 read header function. Attackers can cause a denial of service, leading to an application crash, or potentially have other unspecified impacts.

Recommendations For libxls version 1.4.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-20452

Affected Products

Libxls

References · 9

• 🔥 https://github.com/evanmiller/libxls/issues/35 · Exploit
• https://cve.org/CVERecord?id=CVE-2018-20452 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-20452 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-20452 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-20452 · Vendor Advisory
• https://security.gentoo.org/glsa/202003-64 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20452 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20452 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-20452 · Vendor Advisory