CVE-2008-4577

Description

The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.10% Top 25%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/32164 broken link third party advisory vendor advisory
http://secunia.com/advisories/32471 third party advisory broken link
http://secunia.com/advisories/33149 third party advisory broken link
http://www.vupen.com/english/advisories/2008/2745 vdb entry permissions required
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00816.html mailing list vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10376 vdb entry signature broken link
http://www.securityfocus.com/bid/31587 vdb entry third party advisory broken link
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00844.html mailing list vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:232 vendor advisory broken link
http://www.ubuntu.com/usn/USN-838-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html mailing list vendor advisory
http://security.gentoo.org/glsa/glsa-200812-16.xml third party advisory vendor advisory
http://bugs.gentoo.org/show_bug.cgi?id=240409 issue tracking
http://www.redhat.com/support/errata/RHSA-2009-0205.html vendor advisory broken link
http://secunia.com/advisories/33624 third party advisory broken link
http://www.dovecot.org/list/dovecot-news/2008-October/000085.html mailing list release notes
http://secunia.com/advisories/36904 third party advisory broken link

Frequently Asked Questions

What is the severity of CVE-2008-4577?
CVE-2008-4577 has been scored as a high severity vulnerability.
How to fix CVE-2008-4577?
To fix CVE-2008-4577, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-4577 being actively exploited in the wild?
It is possible that CVE-2008-4577 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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