Bug 1888783 (CVE-2020-6108) - CVE-2020-6108 f2fs-tools: specially crafted f2fs filesystem can cause a heap buffer overflow resulting in a code execution
Summary: CVE-2020-6108 f2fs-tools: specially crafted f2fs filesystem can cause a heap ...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-6108
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1888784 1888785
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-10-15 18:28 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-10-15 20:21 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2020-10-15 20:21:22 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2020-10-15 18:28:51 UTC 
An exploitable code execution vulnerability exists in the fsck_chk_orphan_node functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause a heap buffer overflow resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.

Reference:
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1050
Comment 1 Guilherme de Almeida Suckevicz 2020-10-15 18:29:10 UTC 
Created f2fs-tools tracking bugs for this issue:

Affects: epel-7 [bug 1888785]
Affects: fedora-all [bug 1888784]
Comment 2 Product Security DevOps Team 2020-10-15 20:21:22 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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