CVE-2018-16451
What it is
The SMB parser in tcpdump before 4.9.3 has buffer over-reads in print-smb.c:print_trans() for \MAILSLOT\BROWSE and \PIPE\LANMAN.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 4.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.1% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.1% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Tcpdump < 4.9.3
- Apple Mac Os X < 10.15.2
- Debian Linux 8.0
- Debian Linux 9.0
- Debian Linux 10.0
- Fedoraproject Fedora 29
- Fedoraproject Fedora 30
- Fedoraproject Fedora 31
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-16451.md and follow it. Check whether this project is affected by CVE-2018-16451. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/the-tcpdump-group/tcpdump/commit/96480ab95308cd9234b4f09b175ebf60e17792c6
- https://github.com/the-tcpdump-group/tcpdump/commit/96480ab95308cd9234b4f09b175ebf60e17792c6
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
- http://seclists.org/fulldisclosure/2019/Dec/26
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
- https://github.com/the-tcpdump-group/tcpdump/commit/96480ab95308cd9234b4f09b175ebf60e17792c6
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
- https://seclists.org/bugtraq/2019/Dec/23
- https://seclists.org/bugtraq/2019/Oct/28
- https://security.netapp.com/advisory/ntap-20200120-0001/
- https://support.apple.com/kb/HT210788
- https://usn.ubuntu.com/4252-1/
- https://usn.ubuntu.com/4252-2/
- https://www.debian.org/security/2019/dsa-4547
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
- http://seclists.org/fulldisclosure/2019/Dec/26
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
- https://github.com/the-tcpdump-group/tcpdump/commit/96480ab95308cd9234b4f09b175ebf60e17792c6
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/