Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-7458 |
CWE-ID | CWE-119 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
FreeBSD Operating systems & Components / Operating system |
Vendor | FreeBSD Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU29603
Risk: Low
CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-7458
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing long values passed via the user-controlled PATH environment variable in posix_spawnp(3). A local user can construct a specially crafted PATH environment variable and execute arbitrary code on the system with elevated privileges.
Install updates from vendor's website.
Vulnerable software versionsFreeBSD: 11.4
External linkshttp://www.freebsd.org/security/advisories/FreeBSD-SA-20:18.posix_spawnp.asc
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
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.