Cisco IOS XE up to 3.1.2 on ASR 1000 Virtual Fragment Reassembly Crash denial of service : 8/28/2015 10:58:00 AM

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Vulnerability Advisories
Vulnerabilities of scip VulDB

Cisco IOS XE up to 3.1.2 on ASR 1000 Virtual Fragment Reassembly Crash denial of service
8/25/2015 7:00:00 PM

General

scipID: 77477
Affected: Cisco IOS XE up to 3.1.2
Published: 08/26/2015
Risk: problematic

Created: 08/28/2015
Entry: 72.4% complete

Summary

A vulnerability was found in Cisco IOS XE up to 3.1.2 on ASR 1000 and classified as problematic. This issue affects an unknown function of the component Virtual Fragment Reassembly. The manipulation with an unknown input leads to a denial of service vulnerability (crash). Impacted is availability.

The weakness was disclosed 08/26/2015 as 40690 / CSCtf87624 / CSCte93229 / CSCtd19103 / CSCti63623 as confirmed vulnerability alert (Website). The advisory is shared for download at tools.cisco.com. The identification of this vulnerability is CVE-2015-6273. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem. The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1033408).

CVSS

Base Score: 4.3 (CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P) [?]
Temp Score: 3.7 (CVSS2#E:ND/RL:OF/RC:C) [?]

CPE

Exploiting

Class: Denial of service
Local: No
Remote: Yes

Availability: No

Countermeasures

Recommended: Patch
Status: Official fix
0-Day Time: 0 days since found

Timeline

08/26/2015 | Advisory disclosed
08/28/2015 | VulDB entry created
08/28/2015 | SecurityTracker entry created
08/28/2015 | VulDB entry updated

Sources

Advisory: 40690 / CSCtf87624 / CSCte93229 / CSCtd19103 / CSCti63623
Status: Confirmed

CVE: CVE-2015-6273 (mitre.org) (nvd.nist.org) (cvedetails.com)

SecurityTracker: 1033408 – Cisco ASR 1000 Series Router IOS XE VFR Bug Lets Remote Users Cause the Target System to Reload

 

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