Slackware Linux update for fetchmail



Published: 2011-06-21 | Updated: 2017-05-06
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2011-1947
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Operating systems & Components / Operating system

Vendor Slackware

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU45006

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-1947

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.

Mitigation

Update the affected package fetchmail.

Vulnerable software versions

Slackware Linux: 8.1 - 13.37

CPE2.3 External links

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.653736


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.



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