PT-2023-26634 · Libxls+1 · Libxls+1

Mondaylord · Published 2023-08-15 · Updated 2023-08-19 · CVE-2023-38853

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libxls version 1.6.2

Description The issue allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls parseWorkBook function in xls.c:1015. This can lead to the execution of arbitrary code and denial of service.

Recommendations For libxls version 1.6.2, consider disabling the xls parseWorkBook function until a patch is available to prevent exploitation. Restrict access to the xls.c file to minimize the risk of exploitation. Avoid using the xls parseWorkBook function with crafted XLS files until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-38853

Affected Products

Debian

Libxls

References · 11

• 🔥 https://github.com/libxls/libxls/issues/124 · Exploit
• https://cve.org/CVERecord?id=CVE-2023-38853 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-38853 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-38853 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-38853 · Security Note
• https://ubuntu.com/security/CVE-2023-38853 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-38853 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-38853 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1691525006386151424 · Twitter Post
• https://t.me/cibsecurity/68563 · Telegram Post
• https://twitter.com/CVEnew/status/1691493228648837144 · Twitter Post