Stack-based buffer overflow in samba (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-10704 |
| CWE-ID | CWE-121 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
samba (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU27377
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10704
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing LDAP queries. A remote unauthenticated attacker can send large CLDAP packets to the affected system, trigger stack overflow and crash the service.
MitigationInstall update from vendor's website.
Vulnerable software versionssamba (Alpine package): 4.10.2-r0 - 4.10.12-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=b430c8e9b07545e7ad2ecf2a3776a51ce0c28b45
http://git.alpinelinux.org/aports/commit/?id=218049ea4e079bdab8556dc80287273eb93f90f1
http://git.alpinelinux.org/aports/commit/?id=1e7e09895fd7887b6fba58b013e2f31f14e7afea
http://git.alpinelinux.org/aports/commit/?id=869dcbdc20fc7828503abbd281f7335db7ec4fc8
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
