Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2018-16301 CVE-2020-8037 |
CWE-ID | CWE-125 CWE-770 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
Ubuntu Operating systems & Components / Operating system tcpdump (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU21949
Risk: Low
CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2018-16301
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in libpcap when during pcapng reading. A remote attacker can pass specially crafted data to the application that uses the affected library, trigger out-of-bounds read error and read contents of memory on the system or crash the application.
MitigationUpdate the affected package tcpdump to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
tcpdump (Ubuntu package): before 4.9.3-0ubuntu0.18.04.2
CPE2.3http://ubuntu.com/security/notices/USN-5331-2
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.
EUVDB-ID: #VU48587
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2020-8037
CWE-ID:
CWE-770 - Allocation of Resources Without Limits or Throttling
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected package tcpdump to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
tcpdump (Ubuntu package): before 4.9.3-0ubuntu0.18.04.2
CPE2.3 External linkshttp://ubuntu.com/security/notices/USN-5331-2
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.