Ubuntu update for php-pear
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-32610 |
| CWE-ID | CWE-59 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system php-pear (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Link following
EUVDB-ID: #VU55101
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-32610
CWE-ID:
CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to the application does not check if the file in the archive is a symbolic link when extracting it. A remote attacker can pass a specially crafted file to the application and overwrite arbitrary files on the system. Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.
Update the affected package php-pear to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 21.04
php-pear (Ubuntu package): before 1:1.10.9+submodules+notgz-1ubuntu0.20.04.3
External linkshttp://ubuntu.com/security/notices/USN-5027-1
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.
