Integer overflow in Libxls
CVE-2017-12110
An exploitable integer overflow vulnerability exists in the xls_appendSST function of libxls 1.4.A specially crafted XLS file can cause memory corruption resulting in remote code execution.
Vulnerability class: Integer Overflow
EPSS: 0.007 (71.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Libxls — versions 1.4
- Libxls_project Libxls — versions 1.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (vendor-advisory, x_refsource_DEBIAN)
- talos-cna@cisco.com (vendor-advisory, x_refsource_GENTOO)
- talos-cna@cisco.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-12110?
- CVE-2017-12110 is a high-severity vulnerability in Libxls, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2017-11-20.
- How severe is CVE-2017-12110?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-12110 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.