Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-10030 |
CWE-ID | CWE-125 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
pdns-recursor (Alpine package) Operating systems & Components / Operating system package or component |
Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU28143
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10030
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing a hostname via the gethostname() function. A local user with ability to change system hostname can trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionspdns-recursor (Alpine package): 4.1.1-r0 - 4.1.14-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=d863fb499f4f3c153298e54046738251d8fc1af5
http://git.alpinelinux.org/aports/commit/?id=fbfc29c6a052ada4d472ae1f42542c49ee9c5f86
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.