Buffer overflow in Libxls
CVE-2017-12111
An exploitable out-of-bounds vulnerability exists in the xls_addCell function of libxls 1.4. A specially crafted XLS file with a formula record can cause memory corruption resulting in remote code execution. An attacker can send a malicious XLS file to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Libxls — versions 1.4
- Libxls Project — versions 1.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2018/dsa-4173 (vendor-advisory)
- security.gentoo.org/glsa/202003-64 (vendor-advisory)
- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0463 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12111?
- CVE-2017-12111 is a high-severity vulnerability in Libxls, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2017-11-20.
- How severe is CVE-2017-12111?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-12111 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.