CVE-2008-4445

Public Exploit

Description

The sctp_auth_ep_set_hmacs function in net/sctp/auth.c in the Stream Control Transmission Protocol (sctp) implementation in the Linux kernel before 2.6.26.4, when the SCTP-AUTH extension is enabled, does not verify that the identifier index is within the bounds established by SCTP_AUTH_HMAC_ID_MAX, which allows local users to obtain sensitive information via a crafted SCTP_HMAC_IDENT IOCTL request involving the sctp_getsockopt function, a different vulnerability than CVE-2008-4113.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory debian.org Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/32190 third party advisory
http://www.debian.org/security/2008/dsa-1655 vendor advisory
http://secunia.com/advisories/32393 third party advisory
http://www.securityfocus.com/bid/31121 vdb entry
http://www.openwall.com/lists/oss-security/2008/09/29/4 mailing list
http://www.mandriva.com/security/advisories?name=MDVSA-2008:223 vendor advisory
http://www.ubuntu.com/usn/usn-659-1 vendor advisory
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=d97240552cd98c4b07322f30f66fd9c3ba4171de
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00010.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2008-0857.html vendor advisory
http://www.securitytracker.com/id?1021001 vdb entry
http://marc.info/?l=linux-sctp&m=121986743009093&w=2 mailing list
http://www.openwall.com/lists/oss-security/2008/09/24/9 mailing list
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.4
http://www.openwall.com/lists/oss-security/2008/09/27/1 mailing list
http://marc.info/?l=linux-sctp&m=121986743209110&w=2 mailing list exploit
http://secunia.com/advisories/32315 third party advisory
http://www.openwall.com/lists/oss-security/2008/09/26/6 mailing list

Frequently Asked Questions

What is the severity of CVE-2008-4445?
CVE-2008-4445 has been scored as a medium severity vulnerability.
How to fix CVE-2008-4445?
To fix CVE-2008-4445, 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-2008-4445 being actively exploited in the wild?
It is possible that CVE-2008-4445 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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