CVE-2018-14340
published 2018-07-19CVE-2018-14340: In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in…
PriorityP335high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
3.45%
87.8th percentile
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | wireshark | < wireshark 2.6.2-1 (bookworm) | wireshark 2.6.2-1 (bookworm) |
| wireshark | wireshark | >= 0 < 2.6.2-1 | 2.6.2-1 |
| wireshark | wireshark | >= 0 < 2.6.2-1 | 2.6.2-1 |
| wireshark | wireshark | >= 0 < 2.6.2-1 | 2.6.2-1 |
| wireshark | wireshark | >= 0 < 2.6.2-1 | 2.6.2-1 |
| wireshark | wireshark | 2.2.0 – 2.2.15 | — |
| wireshark | wireshark | 2.4.0 – 2.4.7 | — |
| wireshark | wireshark | 2.6.0 – 2.6.1 | — |
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_debian7.5HIGH
vendor_redhat7.5HIGH
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Red Hat
wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
vendor_redhat·2018-07-18·CVSS 7.5
CVE-2018-14340 [HIGH] CWE-20 wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
Package: wireshark (Red Hat Enterprise Linux 6) - Will not fix
Package: wireshark (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-14340: wireshark - In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors tha...
vendor_debian·2018·CVSS 7.5
CVE-2018-14340 [HIGH] CVE-2018-14340: wireshark - In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors tha...
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
Scope: local
bookworm: resolved (fixed in 2.6.2-1)
bullseye: resolved (fixed in 2.6.2-1)
forky: resolved (fixed in 2.6.2-1)
sid: resolved (fixed in 2.6.2-1)
trixie: resolved (fixed in 2.6.2-1)
GHSA
GHSA-5mf4-rfcc-fxpq: In Wireshark 2
ghsa_unreviewed·2022-05-13
CVE-2018-14340 [HIGH] CWE-125 GHSA-5mf4-rfcc-fxpq: In Wireshark 2
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
OSV
CVE-2018-14340: In Wireshark 2
osv·2018-07-19·CVSS 7.5
CVE-2018-14340 [HIGH] CVE-2018-14340: In Wireshark 2
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-14340 wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
bugzilla·2018-07-23·CVSS 7.5
CVE-2018-14340 [HIGH] CVE-2018-14340 wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
CVE-2018-14340 wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
It was found that dissectors that support zlib decompression could crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.
Upstream bug(s):
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675
External References:
https://www.wireshark.org/security/wnpa-sec-2018-36.html
Discussion:
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1607334]
---
Upstream patch:
https://code.wireshark.org/review/#/c/27561/2/epan/tvbuff_zlib.c
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7
Via RHSA-2020:1047 https://access.redhat.com/errata/RHSA-2020:1047
---
This bug is now closed. Further
Bugzilla
CVE-2018-14339 CVE-2018-14340 CVE-2018-14341 CVE-2018-14342 CVE-2018-14343 CVE-2018-14344 CVE-2018-14367 CVE-2018-14368 CVE-2018-14369 CVE-2018-14370 wireshark: various flaws [fedora-all]
bugzilla·2018-07-23·CVSS 7.5
CVE-2018-14339 [HIGH] CVE-2018-14339 CVE-2018-14340 CVE-2018-14341 CVE-2018-14342 CVE-2018-14343 CVE-2018-14344 CVE-2018-14367 CVE-2018-14368 CVE-2018-14369 CVE-2018-14370 wireshark: various flaws [fedora-all]
CVE-2018-14339 CVE-2018-14340 CVE-2018-14341 CVE-2018-14342 CVE-2018-14343 CVE-2018-14344 CVE-2018-14367 CVE-2018-14368 CVE-2018-14369 CVE-2018-14370 wireshark: various flaws [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 f
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlhttp://www.securityfocus.com/bid/104847http://www.securitytracker.com/id/1041608https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=672d882a53f96730e4ef1e5b1639c585823b0df8https://lists.debian.org/debian-lts-announce/2018/07/msg00045.htmlhttps://www.wireshark.org/security/wnpa-sec-2018-36.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlhttp://www.securityfocus.com/bid/104847http://www.securitytracker.com/id/1041608https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=672d882a53f96730e4ef1e5b1639c585823b0df8https://lists.debian.org/debian-lts-announce/2018/07/msg00045.htmlhttps://www.wireshark.org/security/wnpa-sec-2018-36.html
2018-07-19
Published