Bug 1490898 (CVE-2017-2923)

Summary: CVE-2017-2923 freexl: Heap-based buffer overflow in the read_biff_next_record function
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: ccoleman, dedgar, dmcphers, jgoulding, volker27
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: freexl 1.0.4 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-21 11:56:58 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1490901, 1490902    
Bug Blocks: 1490900    

Description Andrej Nemec 2017-09-12 12:45:02 UTC
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.

External References:


Comment 1 Andrej Nemec 2017-09-12 12:48:38 UTC
Created freexl tracking bugs for this issue:

Affects: epel-all [bug 1490901]
Affects: openshift-1 [bug 1490902]