Bug 1646412 (CVE-2018-18409)

Summary: CVE-2018-18409 tcpflow: stack-based buffer over-read exists in setbit() at iptree.h
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: jtfas90, terje.rosten
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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Last Closed: 2019-06-10 10:41:47 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: 1646413, 1646414    
Bug Blocks:    

Description Laura Pardo 2018-11-05 14:25:02 UTC
A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call. 


Upstream Patch:

Comment 1 Laura Pardo 2018-11-05 14:25:31 UTC
Created tcpflow tracking bugs for this issue:

Affects: epel-7 [bug 1646414]
Affects: fedora-all [bug 1646413]

Comment 2 Product Security DevOps Team 2019-06-10 10:41:47 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.