Cisco ASR 5000/ASR 5500 18.0.0.57828/19.0.M0.61045 TACACS Packet input validation
![Cisco](/logos/cisco.jpg)
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $5k-$25k | 0.00 |
A vulnerability has been found in Cisco ASR 5000 and ASR 5500 18.0.0.57828/19.0.M0.61045 (Router Operating System) and classified as problematic. This vulnerability affects an unknown function of the component TACACS Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:
Cisco ASR 5000 and 5500 devices with software 18.0.0.57828 and 19.0.M0.61045 allow remote attackers to cause a denial of service (vpnmgr process restart) via a crafted header in a TACACS packet, aka Bug ID CSCuw01984.
The weakness was shared 10/16/2015 as CSCuw01984 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2015-6334 since 08/17/2015. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/22/2022).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entry VDB-76412 is related to this item.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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 |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
Timeline
08/17/2015 🔍10/15/2015 🔍
10/16/2015 🔍
10/16/2015 🔍
06/22/2022 🔍
Sources
Vendor: cisco.comAdvisory: CSCuw01984
Status: Confirmed
CVE: CVE-2015-6334 (🔍)
SecurityTracker: 1033792
See also: 🔍
Entry
Created: 10/16/2015 10:35Updated: 06/22/2022 01:32
Changes: 10/16/2015 10:35 (49), 02/06/2018 08:42 (1), 06/22/2022 01:32 (3)
Complete: 🔍
Cache ID: 18:E37:103
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