Integer Overflow or Wraparound Affecting tcpdump package, versions <14:4.9.0-5.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published26 Jul 2021
- disclosed2 Feb 2017
Introduced: 2 Feb 2017
CVE-2017-5342 (opens in a new tab)How to fix?
Upgrade RHEL:7 tcpdump to version 14:4.9.0-5.el7 or higher.
This issue was patched in RHSA-2017:1871.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tcpdump package and not the tcpdump package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
In tcpdump before 4.9.0, a bug in multiple protocol parsers (Geneve, GRE, NSH, OTV, VXLAN and VXLAN GPE) could cause a buffer overflow in print-ether.c:ether_print().
References
- http://www.securityfocus.com/bid/95852
- https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1494526.html
- https://access.redhat.com/security/cve/CVE-2017-5342
- http://www.debian.org/security/2017/dsa-3775
- https://security.gentoo.org/glsa/201702-30
- https://access.redhat.com/errata/RHSA-2017:1871
- http://www.securitytracker.com/id/1037755
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html