Critical severity · published Sep 14, 2017
CVE-2017-12893
The SMB/CIFS parser in tcpdump before 4.9.2 has a buffer over-read in smbutil.c:name_len()
9.8
CVSS
2.4%
EPSS
No
On KEV
Description
The SMB/CIFS parser in tcpdump before 4.9.2 has a buffer over-read in smbutil.c:name_len().
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
Tcpdump · Tcpdump
through 4.9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12893
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12893
www.debian.org
http://www.debian.org/security/2017/dsa-3971
www.securitytracker.com
http://www.securitytracker.com/id/1039307
Vendor Advisory
http://www.tcpdump.org/tcpdump-changes.txt
access.redhat.com
https://access.redhat.com/errata/RHEA-2018:0705
Issue Tracking
https://github.com/the-tcpdump-group/tcpdump/commit/6f5ba2b651cd9d4b7fa8ee5c4f94460645877c45
security.gentoo.org
https://security.gentoo.org/glsa/201709-23
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