CVE-2020-25866

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-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 uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html Mailing List Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16866 Exploit Issue Tracking Third Party Advisory
https://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.html Patch Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-13.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html Mailing List Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16866 Exploit Issue Tracking Third Party Advisory
https://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.html Patch Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-13.html Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
History

21 Nov 2024, 05:18

Type Values Removed Values Added
References () http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html - Mailing List, Third Party Advisory () http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html - Mailing List, Third Party Advisory
References () http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html - Mailing List, Third Party Advisory () http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html - Mailing List, Third Party Advisory
References () https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f - Patch, Third Party Advisory () https://gitlab.com/wireshark/wireshark/-/commit/4a948427100b6c109f4ec7b4361f0d2aec5e5c3f - Patch, Third Party Advisory
References () https://gitlab.com/wireshark/wireshark/-/issues/16866 - Exploit, Issue Tracking, Third Party Advisory () https://gitlab.com/wireshark/wireshark/-/issues/16866 - Exploit, Issue Tracking, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/ -
References () 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/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/ -
References () https://www.oracle.com/security-alerts/cpujan2021.html - Patch, Third Party Advisory () https://www.oracle.com/security-alerts/cpujan2021.html - Patch, Third Party Advisory
References () https://www.wireshark.org/security/wnpa-sec-2020-13.html - Vendor Advisory () https://www.wireshark.org/security/wnpa-sec-2020-13.html - Vendor Advisory

07 Nov 2023, 03:20

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/', 'name': 'FEDORA-2020-9bda6ae1cd', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/', 'name': 'FEDORA-2020-1bf4b97c16', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/', 'name': 'FEDORA-2020-1b390bec14', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/ -
  • () 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/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/ -
Information

Published : 2020-10-06 15:15

Updated : 2024-11-21 05:18

NVD link : CVE-2020-25866

Mitre link : CVE-2020-25866

CVE.ORG link : CVE-2020-25866

JSON object : View

Products Affected

oracle

  • zfs_storage_appliance_kit

wireshark

  • wireshark

opensuse

  • leap

fedoraproject

  • fedora
CWE
CWE-476

NULL Pointer Dereference