Buffer overflow in Libxls
CVE-2017-2896
An exploitable out-of-bounds write vulnerability exists in the xls_mergedCells function of libxls 1.4. . A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.5% 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
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2018/dsa-4173 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202003-64 (vendor-advisory, Third Party Advisory)
- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0403 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-2896?
- CVE-2017-2896 is a high-severity vulnerability in Libxls, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2017-11-20.
- How severe is CVE-2017-2896?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-2896 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.