Published: 14/09/2017 Updated: 28/10/2020

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

The Cisco HDLC parser in tcpdump prior to 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().

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tcpdump tcpdump
debian debian linux 8.0
debian debian linux 9.0
debian debian linux 10.0

Several security issues were fixed in tcpdump ...

Several vulnerabilities have been discovered in tcpdump, a command-line network traffic analyzer These vulnerabilities might result in denial of service or, potentially, execution of arbitrary code For the oldstable distribution (jessie), these problems have been fixed in version 492-1~deb8u1 For the stable distribution (stretch), these proble ...

The Cisco HDLC parser in tcpdump before 492 has a buffer over-read in print-chdlcc:chdlc_print() ...

An out-of-bounds read vulnerability was discovered in tcpdump's handling of Cisco HDLC in tcpdump <= 491 An attacker could craft a malicious pcap file or send specially crafted packets to the network that would cause tcpdump to crash while processing the packet data ...

CWE-125 https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd9fa1a02c4a3d https://github.com/the-tcpdump-group/tcpdump/commit/866c60236c41cea1e1654c8a071897292f64be49 http://www.tcpdump.org/tcpdump-changes.txt http://www.securitytracker.com/id/1039307 https://security.gentoo.org/glsa/201709-23 http://www.debian.org/security/2017/dsa-3971 https://support.apple.com/HT208221 https://access.redhat.com/errata/RHEA-2018:0705 https://nvd.nist.gov https://usn.ubuntu.com/3415-1/

CVE-2017-13687

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