CVE-2020-25866
published 2020-10-06CVE-2020-25866: In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
3.94%
89.3th percentile
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | wireshark | < wireshark 3.2.7-1 (bookworm) | wireshark 3.2.7-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| opensuse | leap | — | — |
| opensuse | leap | — | — |
| oracle | zfs_storage_appliance_kit | — | — |
| wireshark | wireshark | >= 0 < 3.2.7-1 | 3.2.7-1 |
| wireshark | wireshark | >= 0 < 3.2.7-1 | 3.2.7-1 |
| wireshark | wireshark | >= 0 < 3.2.7-1 | 3.2.7-1 |
| wireshark | wireshark | >= 0 < 3.2.7-1 | 3.2.7-1 |
| wireshark | wireshark | 3.0.0 – 3.0.13 | — |
| wireshark | wireshark | 3.2.0 – 3.2.6 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/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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GHSA
GHSA-j5p6-gc45-8fh8: In Wireshark 3
ghsa_unreviewed·2022-05-24
CVE-2020-25866 [HIGH] CWE-476 GHSA-j5p6-gc45-8fh8: In Wireshark 3
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
OSV
CVE-2020-25866: In Wireshark 3
osv·2020-10-06·CVSS 7.5
CVE-2020-25866 [HIGH] CVE-2020-25866: In Wireshark 3
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
Red Hat
wireshark: BLIP dissector crash (wnpa-sec-2020-13)
vendor_redhat·2020-09-23·CVSS 7.5
CVE-2020-25866 [HIGH] CWE-476 wireshark: BLIP dissector crash (wnpa-sec-2020-13)
wireshark: BLIP dissector crash (wnpa-sec-2020-13)
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
Statement: Wireshark as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8 is not affected because the versions shipped do not contain the BLIP dissector.
Package: wireshark (Red Hat Enterprise Linux 5) - Not affected
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-2020-25866: wireshark - In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has...
vendor_debian·2020·CVSS 7.5
CVE-2020-25866 [HIGH] CVE-2020-25866: wireshark - In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has...
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
Scope: local
bookworm: resolved (fixed in 3.2.7-1)
bullseye: resolved (fixed in 3.2.7-1)
forky: resolved (fixed in 3.2.7-1)
sid: resolved (fixed in 3.2.7-1)
trixie: resolved (fixed in 3.2.7-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-25866 wireshark: BLIP dissector crash (wnpa-sec-2020-13)
bugzilla·2020-10-07·CVSS 7.5
CVE-2020-25866 [HIGH] CVE-2020-25866 wireshark: BLIP dissector crash (wnpa-sec-2020-13)
CVE-2020-25866 wireshark: BLIP dissector crash (wnpa-sec-2020-13)
In Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
References:
https://www.wireshark.org/security/wnpa-sec-2020-13.html
https://gitlab.com/wireshark/wireshark/-/issues/16866
Upstream patch:
https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f
Discussion:
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1886052]
---
Statement:
Wireshark as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8 is not affected because
Bugzilla
CVE-2020-25866 wireshark: BLIP dissector crash (wnpa-sec-2020-13) [fedora-all]
bugzilla·2020-10-07·CVSS 7.5
CVE-2020-25866 [HIGH] CVE-2020-25866 wireshark: BLIP dissector crash (wnpa-sec-2020-13) [fedora-all]
CVE-2020-25866 wireshark: BLIP dissector crash (wnpa-sec-2020-13) [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 version
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlhttps://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3fhttps://gitlab.com/wireshark/wireshark/-/issues/16866https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/https://www.oracle.com/security-alerts/cpujan2021.htmlhttps://www.wireshark.org/security/wnpa-sec-2020-13.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlhttps://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3fhttps://gitlab.com/wireshark/wireshark/-/issues/16866https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/https://www.oracle.com/security-alerts/cpujan2021.htmlhttps://www.wireshark.org/security/wnpa-sec-2020-13.html
2020-10-06
Published