CVE-2020-25866

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html

https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f

https://gitlab.com/wireshark/wireshark/-/issues/16866

https://lists.fedoraproject.org/archives/list/[email protected]/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/

https://lists.fedoraproject.org/archives/list/[email protected]/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/

https://www.oracle.com/security-alerts/cpujan2021.html

https://www.wireshark.org/security/wnpa-sec-2020-13.html

Details

Source: MITRE

Published: 2020-10-06

Updated: 2021-01-20

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from 3.0.0 to 3.0.13 (inclusive)

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from 3.2.0 to 3.2.6 (inclusive)

Tenable Plugins

View all (10 total)

IDNameProductFamilySeverity
143863SUSE SLED15 / SLES15 Security Update : wireshark (SUSE-SU-2020:3166-1)NessusSuSE Local Security Checks
high
142838openSUSE Security Update : wireshark (openSUSE-2020-1878)NessusSuSE Local Security Checks
high
142829openSUSE Security Update : wireshark (openSUSE-2020-1882)NessusSuSE Local Security Checks
high
141869Fedora 33 : 1:wireshark (2020-9bda6ae1cd)NessusFedora Local Security Checks
high
141522Fedora 31 : 1:wireshark (2020-1b390bec14)NessusFedora Local Security Checks
high
141510Fedora 32 : 1:wireshark (2020-1bf4b97c16)NessusFedora Local Security Checks
high
140775Wireshark 3.0.x < 3.0.14 Multiple VulnerabilitiesNessusWindows
high
140774Wireshark 3.0.x < 3.0.14 Multiple Vulnerabilities (macOS)NessusMacOS X Local Security Checks
high
140757Wireshark 3.2.x < 3.2.7 Multiple VulnerabilitiesNessusWindows
high
140756Wireshark 3.2.x < 3.2.7 Multiple Vulnerabilities (macOS)NessusMacOS X Local Security Checks
high