openEuler 20.03 LTS update for tcpdump



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-8037
CWE-ID CWE-770
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		openEuler
Operating systems & Components / Operating system

tcpdump-debugsource
Operating systems & Components / Operating system package or component

tcpdump-debuginfo
Operating systems & Components / Operating system package or component

tcpdump-help
Operating systems & Components / Operating system package or component

tcpdump
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU48587

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8037

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

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

The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS

tcpdump-debugsource: before 4.9.3-5

tcpdump-debuginfo: before 4.9.3-5

tcpdump-help: before 4.9.3-5

tcpdump: before 4.9.3-5

CPE2.3 External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1127


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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