PT-2017-3916 · Tcpdump+7 · Tcpdump+7
Bhargava Shastry
·
Publicado
2017-10-08
·
Atualizado
2024-06-15
·
CVE-2018-14464
CVSS v2.0
7.8
Alta
| Vetor | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
tcpdump versions prior to 4.9.3
Description
The issue is related to a buffer over-read in the LMP parser of the tcpdump utility, specifically in the
lmp print data link subobjs() function in print-lmp.c. This can allow a remote attacker to gain unauthorized access to information and impact its integrity and availability. Additionally, it may cause a denial of service. The aoe print function in print-aoe.c and the lookup emem function in addrtoname.c are also related to a heap-based buffer over-read.Recommendations
For versions prior to 4.9.3, update to version 4.9.3 or later to resolve the issue.
As a temporary workaround, consider disabling the
lmp print data link subobjs() function until a patch is available.
Restrict access to the print-lmp.c module to minimize the risk of exploitation.Correção
Out of bounds Read
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Alt Linux
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Red Hat
Rocky Linux
Suse
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Tcpdump