QID 375766

Date Published: 2021-08-12

QID 375766: Fetchmail Denial of Service Vulnerability (fetchmail-SA-2021-01)

Fetchmail is an open source software utility for POSIX-compliant operating systems which is used to retrieve e-mail from a remote POP3, IMAP, ETRN or ODMR mail server to the user's local system.

Affected Versions:
fetchmail releases up to and including 6.3.8
fetchmail releases 6.3.17 up to including 6.4.19

**Note: fetchmail releases 6.3.9 to 6.3.16 Not affected

QID Detection Logic (Authenticated):
This QID checks for vulnerable version of Fetchmail

Successful exploit by attackers can cause a denial of service or possibly have unspecified other impact via long error messages

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Patch:
Upgrade to Fetchmail Version 6.4.20 and newer, recompile and reinstall it. Further instructions on applying the patch can be found at fetchmail-SA-2021-01 Advisory.

Vendor References

fetchmail-SA-2021-01 - www.fetchmail.info/fetchmail-SA-2021-01.txt

CVEs related to QID 375766

CVE-2021-36386 | CVE-2008-2711 |

Software Advisories

Advisory ID	Software	Component	Link
fetchmail-SA-2021-01			www.fetchmail.info/fetchmail-SA-2021-01.txt

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