Quagga BGP Packet bgpd/bgp_dump.c bgp_dump_routes_func input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Quagga and classified as problematic. This impacts the function bgp_dump_routes_func of the file bgpd/bgp_dump.c of the component BGP Packet Handler. Such manipulation leads to input validation.
This vulnerability is uniquely identified as CVE-2016-4049. The attack can be launched remotely. No exploit exists.
Restrictive firewalling should be applied.
Details
A vulnerability was found in Quagga (Network Routing Software) (the affected version is unknown) and classified as critical. Affected by this issue is the function bgp_dump_routes_func of the file bgpd/bgp_dump.c of the component BGP Packet 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. CVE summarizes:
The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service (assertion failure and daemon crash) via a large BGP packet.
The weakness was disclosed 05/23/2016 (Website). The advisory is available at lists.quagga.net. This vulnerability is handled as CVE-2016-4049 since 04/20/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 91208 (openSUSE Security Update : quagga (openSUSE-2016-591)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196600 (Ubuntu Security Notification for Quagga Vulnerabilities (USN-3102-1)).
Addressing this vulnerability is possible by firewalling . A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (91208) and SecurityFocus (BID 88561†). The entry VDB-82554 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
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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Nessus ID: 91208
Nessus Name: openSUSE Security Update : quagga (openSUSE-2016-591)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 840873
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0165
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
Timeline
04/20/2016 🔍04/27/2016 🔍
05/17/2016 🔍
05/18/2016 🔍
05/23/2016 🔍
05/23/2016 🔍
05/24/2016 🔍
08/22/2022 🔍
Sources
Advisory: RHSA-2017:0794Status: Not defined
CVE: CVE-2016-4049 (🔍)
GCVE (CVE): GCVE-0-2016-4049
GCVE (VulDB): GCVE-100-87602
OVAL: 🔍
SecurityFocus: 88561 - Quagga Routing Software Suite CVE-2016-4049 Denial Of Service Vulnerability
SecurityTracker: 1035699
See also: 🔍
Entry
Created: 05/24/2016 11:55Updated: 08/22/2022 08:47
Changes: 05/24/2016 11:55 (65), 12/12/2018 10:11 (12), 08/22/2022 08:47 (5)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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