Bug 2219755 (CVE-2023-34457)

Summary: CVE-2023-34457 MechanicalSoup: Malicious web server can read arbitrary files on client using file input inside HTML form
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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Fixed In Version: MechanicalSoup 1.3.0 Doc Type: If docs needed, set a value
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Last Closed: 2023-07-05 11:45:47 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2219756    
Bug Blocks:    

Description TEJ RATHI 2023-07-05 07:21:54 UTC
A malicious web server can read arbitrary files on the client using a <input type="file" ...> inside HTML form. All users of MechanicalSoup's form submission are affected, unless they took very specific (and manual) steps to reset HTML form field values.

https://github.com/MechanicalSoup/MechanicalSoup/security/advisories/GHSA-x456-3ccm-m6j4

Comment 1 TEJ RATHI 2023-07-05 07:22:17 UTC
Created python-mechanicalsoup tracking bugs for this issue:

Affects: fedora-all [bug 2219756]

Comment 2 Product Security DevOps Team 2023-07-05 11:45:45 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.