Ubuntu update for php-twig
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2019-9942 CVE-2022-23614 CVE-2022-39261 |
| CWE-ID | CWE-200 CWE-254 CWE-22 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system php-twig (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Information disclosure
EUVDB-ID: #VU73271
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9942
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to sandbox information disclosure via the __toString() method call on an object that even can be disabled by the security policy in place. A remote attacker can gain unauthorized access to sensitive information on the system.
MitigationUpdate the affected package php-twig to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 22.04
php-twig (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-5947-1
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.
2) Security features bypass
EUVDB-ID: #VU61609
Risk: High
CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-23614
CWE-ID:
CWE-254 - Security Features
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to missing security restrictions for non closures in "sort" filter when using a sandbox mode. A remote attacker can pass specially crafted data to the application and execute arbitrary PHP code on the system.
Update the affected package php-twig to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 22.04
php-twig (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-5947-1
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. However, proof of concept for this vulnerability is available.
3) Path traversal
EUVDB-ID: #VU67723
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39261
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences when loading templates. A remote attacker can use the "source" or "include" statement to read arbitrary files on the system.
MitigationUpdate the affected package php-twig to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 22.04
php-twig (Ubuntu package): before Ubuntu Pro
External linkshttp://ubuntu.com/security/notices/USN-5947-1
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.
