Vulnerability CVE-2017-2923
Published: 2018-04-24

Description:
An exploitable heap based buffer overflow vulnerability exists in the 'read_biff_next_record function' of FreeXL 1.0.3. 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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Freexl project -> Freexl 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/100807
https://www.debian.org/security/2017/dsa-3976
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0430
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