Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 7 |
CVE-ID | CVE-2016-2569 CVE-2016-2570 CVE-2016-2571 CVE-2016-3948 CVE-2018-1000024 CVE-2018-1000027 |
CWE-ID | CWE-20 CWE-119 CWE-476 CWE-284 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system squid (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
EUVDB-ID: #VU4170
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2569
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to improper appending of data to String objects. A remote attacker can use a long string, as demonstrated by a crafted HTTP Vary header, trigger assertion failure and daemon exit and cause the service to crash.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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: #VU4171
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2570
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the Edge Side Includes (ESI) parser due to improper checking of buffer limits during XML parsing. A remote attacker can use a specially crafted XML document, related to esi/CustomParser.cc and esi/CustomParser.h, as demonstrated by a crafted HTTP Vary header, trigger assertion failure and daemon exit and cause the service to crash.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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: #VU4172
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2571
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in http.cc due to proceeding with the storage of certain data after a response-parsing failure. A remote attacker can use a specially crafted response, trigger assertion failure and daemon exit and cause the service to crash.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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: #VU4175
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-3948
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to improper bounds checking. A remote attacker can use a specially crafted HTTP response, related to Vary headers, trigger memory corruption and cause the service to crash.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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: #VU10383
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000024
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect pointer handling when processing ESI responses. A remote attacker can supply a specially crafted response to the vulnerable server and trigger application crash.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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: #VU10384
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000027
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to unspecified error. A remote attacker can cause denial of service issue in HTTP Message processing.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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: #VU10164
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000027
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect pointer handling when processing ESI responses or downloading intermediate CA certificates. A remote attacker can supply a specially crafted response to the vulnerable server and trigger application crash.
Update the affected package squid3 to the latest version.
Vulnerable software versionsUbuntu: 16.04
squid (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-5771-1
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.