Huawei Access Router Firmware V200R002C01SPC200 DHCP input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in Huawei Access Router Firmware V200R002C01SPC200 (Router Operating System) and classified as critical. This issue affects an unknown code block of the component DHCP Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:
The Huawei Access Router (AR) before V200R002SPC003 allows remote attackers to cause a denial of service (device reset) via a crafted field in a DHCP request, as demonstrated by a request from an IP phone.
The weakness was published 04/07/2013 as not defined advisory (Website). It is possible to read the advisory at huawei.com. The identification of this vulnerability is CVE-2013-4632 since 06/20/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version Firmware V200R002SPC003 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Similar entries are available at VDB-101933, VDB-115175, VDB-140931 and VDB-140934.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Access Router Firmware V200R002SPC003
Timeline
04/07/2013 🔍04/07/2013 🔍
04/08/2013 🔍
04/09/2013 🔍
06/20/2013 🔍
06/20/2013 🔍
05/05/2018 🔍
Sources
Vendor: huawei.comAdvisory: huawei.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2013-4632 (🔍)
Secunia: 52926 - Huawei AR Series Routers DHCP Packet Parsing Denial of Service Vulnerability, Less Critical
OSVDB: 92114
See also: 🔍
Entry
Created: 04/09/2013 12:14Updated: 05/05/2018 18:02
Changes: 04/09/2013 12:14 (52), 05/05/2018 18:02 (7)
Complete: 🔍
Committer: olku
Cache ID: 3:11E:103
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