CVE-2018-7420
published 2018-02-23CVE-2018-7420: In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for…
PriorityP434high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
2.74%
84.6th percentile
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | wireshark | < wireshark 2.4.5-1 (bookworm) | wireshark 2.4.5-1 (bookworm) |
| wireshark | wireshark | >= 0 < 2.4.5-1 | 2.4.5-1 |
| wireshark | wireshark | >= 0 < 2.4.5-1 | 2.4.5-1 |
| wireshark | wireshark | >= 0 < 2.4.5-1 | 2.4.5-1 |
| wireshark | wireshark | >= 0 < 2.4.5-1 | 2.4.5-1 |
| wireshark | wireshark | 2.2.0 – 2.2.12 | — |
| wireshark | wireshark | 2.4.0 – 2.4.4 | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5LOW
vendor_redhat7.5HIGH
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GHSA
GHSA-97j6-895v-6fwj: In Wireshark 2
ghsa_unreviewed·2022-05-13
CVE-2018-7420 [HIGH] GHSA-97j6-895v-6fwj: In Wireshark 2
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
OSV
CVE-2018-7420: In Wireshark 2
osv·2018-02-23·CVSS 7.5
CVE-2018-7420 [HIGH] CVE-2018-7420: In Wireshark 2
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
Red Hat
wireshark: Pcapng file parser crash in pcapng.c
vendor_redhat·2018-02-08·CVSS 7.5
CVE-2018-7420 [HIGH] CWE-770 wireshark: Pcapng file parser crash in pcapng.c
wireshark: Pcapng file parser crash in pcapng.c
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
A denial of service flaw was found in the pcapng file parser in Wireshark. A remote network attacker could potentially use this flaw to crash Wireshark by tricking it into processing a crafted packet.
Package: wireshark (Red Hat Enterprise Linux 6) - Not affected
Package: wireshark (Red Hat Enterprise Linux 7) - Not affected
Package: wireshark (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-7420: wireshark - In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could cr...
vendor_debian·2018·CVSS 7.5
CVE-2018-7420 [HIGH] CVE-2018-7420: wireshark - In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could cr...
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
Scope: local
bookworm: resolved (fixed in 2.4.5-1)
bullseye: resolved (fixed in 2.4.5-1)
forky: resolved (fixed in 2.4.5-1)
sid: resolved (fixed in 2.4.5-1)
trixie: resolved (fixed in 2.4.5-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-7420 wireshark: Pcapng file parser crash in pcapng.c
bugzilla·2018-02-26·CVSS 7.5
CVE-2018-7420 [HIGH] CVE-2018-7420 wireshark: Pcapng file parser crash in pcapng.c
CVE-2018-7420 wireshark: Pcapng file parser crash in pcapng.c
A flaw was found in Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
External References:
https://www.wireshark.org/security/wnpa-sec-2018-11.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403
Upstream Patch:
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=129e41f9f63885a
Discussion:
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1549286]
Bugzilla
CVE-2018-7420 wireshark: Pcapng file parser crash in pcapng.c [fedora-all]
bugzilla·2018-02-26·CVSS 7.5
CVE-2018-7420 [HIGH] CVE-2018-7420 wireshark: Pcapng file parser crash in pcapng.c [fedora-all]
CVE-2018-7420 wireshark: Pcapng file parser crash in pcapng.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of
http://www.securityfocus.com/bid/103163https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=129e41f9f63885ad8224ef413c2860788fb9e849https://lists.debian.org/debian-lts-announce/2018/04/msg00018.htmlhttps://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlhttps://www.wireshark.org/security/wnpa-sec-2018-11.htmlhttp://www.securityfocus.com/bid/103163https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=129e41f9f63885ad8224ef413c2860788fb9e849https://lists.debian.org/debian-lts-announce/2018/04/msg00018.htmlhttps://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlhttps://www.wireshark.org/security/wnpa-sec-2018-11.html
2018-02-23
Published