Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3181 |
CWE-ID | CWE-400 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
mutt (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.
EUVDB-ID: #VU50017
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3181
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when handling email messages with sequences of semicolon characters in RFC822 address fields. A remote attacker can send a specially crafted email message, force the application to consume a huge amount of memory and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsmutt (Alpine package): 1.14.4-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=09e375413f8d46bbf6b670b03ac1588f5ab54ab1
http://git.alpinelinux.org/aports/commit/?id=864e66f3ea3c80f7583e507294db097015e63627
http://git.alpinelinux.org/aports/commit/?id=fb638b73515d949474a3573629963d10e65e7b32
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.