Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-7524 |
CWE-ID | CWE-121 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Dovecot Server applications / Mail servers |
Vendor | Dovecot |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU18089
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-7524
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when reading FTS or POP3-UIDL header from dovecot index. A local user can modify Dovecot index, trigger stack-based buffer overflow and execute arbitrary code on the target system with privileges of the Dovecot process.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDovecot: 2.0.14 - 2.3.5
External linkshttp://www.dovecot.org/list/dovecot-news/2019-March/000403.html
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.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.