Ubuntu update for squid
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2023-5824 CVE-2023-49288 CVE-2024-23638 CVE-2024-25111 CVE-2024-25617 |
| CWE-ID | CWE-237 CWE-416 CWE-825 CWE-674 CWE-20 |
| 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 5 vulnerabilities.
1) Improper Handling of Structural Elements
EUVDB-ID: #VU82316
Risk: Medium
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-5824
CWE-ID:
CWE-237 - Improper Handling of Structural Elements
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of structural elements in HTTP response caching. A remote user can cause a denial of service condition on the target system.
MitigationUpdate the affected package squid to the latest version.
Vulnerable software versionsUbuntu: 20.04
squid (Ubuntu package): before 4.10-1ubuntu1.11
External linkshttp://ubuntu.com/security/notices/USN-6728-2
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Use-after-free
EUVDB-ID: #VU83627
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-2023-49288
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in HTTP collapsed forwarding. A remote attacker can send specially crafted data to the server and crash the proxy server.
Update the affected package squid to the latest version.
Vulnerable software versionsUbuntu: 20.04
squid (Ubuntu package): before 4.10-1ubuntu1.11
External linkshttp://ubuntu.com/security/notices/USN-6728-2
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.
3) Expired pointer dereference
EUVDB-ID: #VU85722
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-23638
CWE-ID:
CWE-825 - Expired pointer dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an expired pointer dereference in the Cache Manager when handling error responses. A remote attacker can perform a denial of service (DoS) attack.
Update the affected package squid to the latest version.
Vulnerable software versionsUbuntu: 20.04
squid (Ubuntu package): before 4.10-1ubuntu1.11
External linkshttp://ubuntu.com/security/notices/USN-6728-2
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.
4) Uncontrolled recursion
EUVDB-ID: #VU87680
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-2024-25111
CWE-ID:
CWE-674 - Uncontrolled Recursion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an uncontrolled recursion within the HTTP Chunked decoder when handling HTTP requests. A remote attacker can send a specially crafted chunked encoded HTTP Message to the proxy server and perform a denial of service (DoS) attack.
MitigationUpdate the affected package squid to the latest version.
Vulnerable software versionsUbuntu: 20.04
squid (Ubuntu package): before 4.10-1ubuntu1.11
External linkshttp://ubuntu.com/security/notices/USN-6728-2
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.
5) Input validation error
EUVDB-ID: #VU86547
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-2024-25617
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of HTTP headers. A remote attacker can send a specially crafted HTTP request to the server and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that the request_header_max_size or reply_header_max_size settings are
unchanged from the default.
Update the affected package squid to the latest version.
Vulnerable software versionsUbuntu: 20.04
squid (Ubuntu package): before 4.10-1ubuntu1.11
External linkshttp://ubuntu.com/security/notices/USN-6728-2
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.
