Bug 1760455 (CVE-2018-14462) - CVE-2018-14462 tcpdump: Buffer over-read in icmp_print() function in print-icmp.c
Summary: CVE-2018-14462 tcpdump: Buffer over-read in icmp_print() function in print-ic...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-14462
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1760626 1791708 1791709
Blocks: 1760628
TreeView+ depends on / blocked
 
Reported: 2019-10-10 15:04 UTC by Pedro Sampaio
Modified: 2020-11-04 03:40 UTC (History)
6 users (show)

Fixed In Version: tcpdump 4.9.3
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read flaw was discovered in tcpdump while printing ICMP packets captured in a pcap file or coming from the network. A remote attacker may abuse this flaw by sending specially crafted packets that, when printed, would trigger the flaw and crash the application. System availability is the highest threat from this vulnerability
Clone Of:
Environment:
Last Closed: 2020-11-04 02:21:58 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4760 0 None None None 2020-11-04 03:40:39 UTC

Description Pedro Sampaio 2019-10-10 15:04:55 UTC 
The ICMP parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp.c:icmp_print().

Upstream patch:

https://github.com/the-tcpdump-group/tcpdump/commit/1a1bce0526a77b62e41531b00f8bb5e21fd4f3a3

References:

https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
Comment 1 Pedro Sampaio 2019-10-11 00:02:15 UTC 
Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 1760626]
Comment 4 Product Security DevOps Team 2020-11-04 02:21:58 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-14462
Comment 5 errata-xmlrpc 2020-11-04 03:40:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4760 https://access.redhat.com/errata/RHSA-2020:4760
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