Bug 2234908 (CVE-2020-19186)

Summary: CVE-2020-19186 ncurses: Buffer overflow in _nc_find_entry function in tinfo/comp_hash.c:66
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: acrosby, adudiak, bdettelb, caswilli, crarobin, fjansen, hkataria, jburrell, jmadigan, jmitchel, jsherril, jtanner, kaycoth, kshier, luizcosta, mlichvar, ngough, nweather, pamccart, stcannon, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: ncurses 6.2 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the ncurses library. This issue occurs when processing a crafted terminfo database, causing a buffer over-read, resulting in an application crash.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2234930, 2234931    
Bug Blocks: 2234942    

Description Pedro Sampaio 2023-08-25 18:08:48 UTC
Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

References:

https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc2.md