Out-of-bounds read in tcpdump (Alpine package)



Published: 2019-10-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14466
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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tcpdump (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU21990

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-14466

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in print-rx.c:rx_cache_find() and rx_cache_insert() functions within the Rx parser. A remote attacker can generate specially crafted RSVP data, trigger out-of-bounds read error and perform denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tcpdump (Alpine package): 4.9.2-r4


CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=dd5d221102dfcc65b44c43c915d134e830e8d599
http://git.alpinelinux.org/aports/commit/?id=552c3620773db0fb6a4d1e714eaa49b6a16de052
http://git.alpinelinux.org/aports/commit/?id=e3e3e3952958b31bf6f3e01e6c73b30e3e126745

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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