Bug 1888770 (CVE-2020-6104) - CVE-2020-6104 f2fs-tools: specially crafted f2fs filesystem can cause information disclosure
Summary: CVE-2020-6104 f2fs-tools: specially crafted f2fs filesystem can cause informa...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-6104
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1888772 1888771
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-10-15 18:19 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-10-15 20:21 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2020-10-15 20:21:13 UTC
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Description Guilherme de Almeida Suckevicz 2020-10-15 18:19:52 UTC 
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Reference:
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1046
Comment 1 Guilherme de Almeida Suckevicz 2020-10-15 18:20:12 UTC 
Created f2fs-tools tracking bugs for this issue:

Affects: epel-7 [bug 1888772]
Affects: fedora-all [bug 1888771]
Comment 2 Product Security DevOps Team 2020-10-15 20:21:13 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.
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