Cisco IOS XR up to 5.3.0 on ASR 9000 Bridge-Group Virtual Interface Traffic Hang data processing

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Cisco IOS XR up to 5.3.0 on ASR 9000. This affects an unknown function of the component Bridge-Group Virtual Interface Traffic Handler. Such manipulation leads to data processing (Hang). This vulnerability is traded as CVE-2015-0695. There is no exploit available.
Details
A vulnerability was found in Cisco IOS XR up to 5.3.0 on ASR 9000 (Router Operating System) and classified as problematic. Affected by this issue is an unknown function of the component Bridge-Group Virtual Interface Traffic Handler. The manipulation with an unknown input leads to a data processing vulnerability (Hang). Using CWE to declare the problem leads to CWE-19. Impacted is availability. CVE summarizes:
Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957.
The weakness was shared 04/17/2015 with Cisco as CSCur62957 as not defined advisory (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2015-0695 since 01/07/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/09/2022).
The vulnerability scanner Nessus provides a plugin with the ID 83054 , which helps to determine the existence of the flaw in a target environment. It is .
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at Tenable (83054), SecurityFocus (BID 74162†) and Vulnerability Center (SBV-49708†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: HangClass: Data processing / Hang
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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 |
Nessus ID: 83054
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍
OpenVAS ID: 103403
OpenVAS Name: Cisco IOS XR Software BVI Routed Packet Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
Timeline
01/07/2015 🔍04/15/2015 🔍
04/15/2015 🔍
04/16/2015 🔍
04/16/2015 🔍
04/17/2015 🔍
04/17/2015 🔍
04/24/2015 🔍
05/09/2022 🔍
Sources
Vendor: cisco.comAdvisory: CSCur62957⛔
Organization: Cisco
Status: Not defined
CVE: CVE-2015-0695 (🔍)
GCVE (CVE): GCVE-0-2015-0695
GCVE (VulDB): GCVE-100-74984
SecurityFocus: 74162 - Cisco IOS XR Software CVE-2015-0695 Denial of Service Vulnerability
SecurityTracker: 1032139
Vulnerability Center: 49708 - Cisco IOS XR on Cisco ASR 9000 Remote DoS via Crafted IPv4 Packets, High
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 04/17/2015 10:24Updated: 05/09/2022 08:33
Changes: 04/17/2015 10:24 (62), 06/26/2017 10:41 (8), 05/09/2022 08:29 (3), 05/09/2022 08:33 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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