PT-2023-26636 · Libxls+1 · Libxls+1

Mondaylord · Published 2023-08-15 · Updated 2023-08-19 · CVE-2023-38855

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 get string function in xlstool.c:395. This enables the attacker to potentially disrupt service and execute malicious code.

Recommendations For version 1.6.2, consider disabling the get string function in xlstool.c until a patch is available to prevent exploitation. 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-2023-38855

Affected Products

Debian

Libxls

References · 11

• 🔥 https://github.com/libxls/libxls/issues/124 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-38855 · Security Note
• https://osv.dev/vulnerability/CVE-2023-38855 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-38855 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-38855 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-38855 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-38855 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-38855 · Vendor Advisory
• https://twitter.com/CVEnew/status/1691493230406254592 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1691523487683235841 · Twitter Post
• https://t.me/cibsecurity/68546 · Telegram Post