PT-2018-5352 · Libxls · Libxls

Published 2018-04-16 · Updated 2022-04-19 · CVE-2017-12109

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

Description An integer overflow issue exists in the xls preparseWorkSheet function when handling a MULRK record, allowing a specially crafted XLS file to cause memory corruption and potentially result in remote code execution. An attacker can exploit this by sending a malicious XLS file.

Recommendations For libxls version 1.4, consider avoiding the use of the xls preparseWorkSheet function until a patch is available, or refrain from handling untrusted XLS files to minimize the risk of exploitation.

Exploit

Fix

RCE

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2017-12109

DSA-4173-1

Affected Products

Libxls

References · 20

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2017-0461 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-12109 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2919 · Security Note
• https://security-tracker.debian.org/tracker/DSA-4173-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-12109 · Security Note
• https://osv.dev/vulnerability/DSA-4173-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2897 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12109 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2896 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-12109 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/r-cran-readxl · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-12109 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12110 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12108 · Security Note
• https://osv.dev/vulnerability/CVE-2017-12109 · Vendor Advisory