VulnerabilityModified
CVE-2017-12109
An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record.
HIGH 8.8EPSS 2.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. 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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.73% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libxls project/libxls
- Source
- talos-cna@cisco.com
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.