Bug 1930175 (CVE-2021-3402) - CVE-2021-3402 libyara: Integer overflow in libyara/modules/macho/macho.c via a malicious Mach-O file
Summary: CVE-2021-3402 libyara: Integer overflow in libyara/modules/macho/macho.c via ...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-3402
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: 1930176 1930177
Blocks: 1926266
TreeView+ depends on / blocked
 
Reported: 2021-02-18 13:07 UTC by Michael Kaplan
Modified: 2021-05-13 14:03 UTC (History)
1 user (show)

Fixed In Version: libyara 4.0.4
Doc Type: If docs needed, set a value
Doc Text:
An integer overflow and several buffer overflow reads in libyara/modules/macho/macho.c in YARA v4.0.3 and earlier could allow an attacker to either cause denial of service or information disclosure via a malicious Mach-O file.
Clone Of:
Environment:
Last Closed: 2021-02-18 19:03:11 UTC
Embargoed:

Attachments (Terms of Use)

Description Michael Kaplan 2021-02-18 13:07:31 UTC 
Integer overflow in libyara/modules/macho/macho.c in yara v4.0.2 and earlier could allow an attacker to either cause denial of service or information disclosure via a malicious Mach-O file.
Comment 1 Michael Kaplan 2021-02-18 13:07:34 UTC 
Acknowledgments:

Name: Luis Merino (X41 D-SEC GmbH)
Comment 3 Michael Kaplan 2021-02-18 13:07:55 UTC 
Created yara tracking bugs for this issue:

Affects: epel-all [bug 1930177]
Affects: fedora-all [bug 1930176]
Comment 4 Michael Kaplan 2021-02-18 13:08:27 UTC 
External References:

https://www.openwall.com/lists/oss-security/2021/01/29/2
https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/
Comment 5 Product Security DevOps Team 2021-02-18 19:03:11 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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