Cisco IOS 12.2/15.0/15.1/15.2/15.3 T1/E1 Driver Queue input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Cisco IOS 12.2/15.0/15.1/15.2/15.3. This affects an unknown part of the component T1/E1 Driver Queue. Performing a manipulation results in input validation. This vulnerability is known as CVE-2013-5477. Furthermore, an exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Cisco IOS 12.2/15.0/15.1/15.2/15.3 (Router Operating System). This affects some unknown processing of the component T1/E1 Driver Queue. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. The summary by CVE is:
The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.
The weakness was published 09/25/2013 as cisco-sa-20130925-wedge as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The public release has been coordinated with Cisco. This vulnerability is uniquely identified as CVE-2013-5477 since 08/22/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 70323 (Cisco IOS Software Queue Wedge Denial of Service Vulnerability (cisco-sa-20130925-wedge)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43327 (Cisco IOS Software Queue Wedge Denial of Service Vulnerability (cisco-sa-20130925-wedge)).
Upgrading eliminates this vulnerability. The upgrade is hosted for download at tools.cisco.com.
The vulnerability is also documented in the databases at Tenable (70323), SecurityFocus (BID 62645†), OSVDB (97733†) and Vulnerability Center (SBV-41621†). Further details are available at tools.cisco.com. Similar entry is available at VDB-10489. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Private
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 70323
Nessus Name: Cisco IOS Software Queue Wedge Denial of Service Vulnerability (cisco-sa-20130925-wedge)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: tools.cisco.com
Timeline
08/22/2013 🔍09/25/2013 🔍
09/25/2013 🔍
09/26/2013 🔍
09/27/2013 🔍
09/27/2013 🔍
09/29/2013 🔍
10/07/2013 🔍
12/24/2024 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20130925-wedge
Status: Confirmed
Coordinated: 🔍
CVE: CVE-2013-5477 (🔍)
GCVE (CVE): GCVE-0-2013-5477
GCVE (VulDB): GCVE-100-10485
IAVM: 🔍
SecurityFocus: 62645
OSVDB: 97733
Vulnerability Center: 41621 - [cisco-sa-20130925-wedge] Cisco IOS 12.2,15.0-15.3 with HDLC32 Driver Remote DoS Vulnerability - CVE-2013-5477, High
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍
Entry
Created: 09/26/2013 15:43Updated: 12/24/2024 16:49
Changes: 09/26/2013 15:43 (48), 05/12/2017 08:33 (26), 05/25/2021 22:07 (4), 05/25/2021 22:18 (1), 12/24/2024 16:49 (16)
Complete: 🔍
Committer:
Cache ID: 216:5D0:103
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