Bug 1788744 (CVE-2019-19977)

Summary: CVE-2019-19977 libesmtp: Stack-based buffer over-read in ntlm_build_type_2() in ntlm/ntlmstruct.c
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: jskarvad, salek
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2020-02-06 14:09:38 UTC Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 1788746    

Description Pedro Sampaio 2020-01-08 01:45:47 UTC
libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.



Comment 1 Stefan Cornelius 2020-02-06 12:23:59 UTC

This issue did not affect the versions of libesmtp as shipped with Red Hat Enterprise Linux 6 and 7.

Comment 2 Product Security DevOps Team 2020-02-06 14:09:38 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):