SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-12111

An exploitable out-of-bounds vulnerability exists in the xls_addCell function of libxls 1.4.

HIGH 7.8EPSS 2.08%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.08% probability · 80th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
libxls project/libxls
Source
talos-cna@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.