VDB-148707 · CVE-2019-11477 · Qualys 237293

Oracle Communications Subscriber-Aware Load Balancer 7.3/8.1/8.3 IP Stack integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Oracle Communications Subscriber-Aware Load Balancer 7.3/8.1/8.3. This impacts an unknown function of the component IP Stack. Performing a manipulation results in integer overflow. This vulnerability is reported as CVE-2019-11477. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Oracle Communications Subscriber-Aware Load Balancer 7.3/8.1/8.3 (Cloud Software). This affects some unknown processing of the component IP Stack. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability.

The weakness was disclosed 01/15/2020 as Oracle Critical Patch Update Advisory - January 2020 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2019-11477. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 237293 (Red Hat Update for kernel (Sad SACK) (RHSA-2019:1479)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-136601, VDB-149016, VDB-149015 and VDB-149014 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Oracle

Name

Communications Subscriber-Aware Load Balancer

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 7.5
Vendor Vector (Oracle): 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Canonical Ltd.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.kernel.org

Timelineinfo

04/23/2019 🔍
01/15/2020 +267 days 🔍
01/15/2020 +0 days 🔍
01/16/2020 +1 days 🔍
06/07/2024 +1603 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2020
Status: Confirmed

CVE: CVE-2019-11477 (🔍)
GCVE (CVE): GCVE-0-2019-11477
GCVE (VulDB): GCVE-100-148707
See also: 🔍

Entryinfo

Created: 01/16/2020 08:04
Updated: 06/07/2024 01:41
Changes: 01/16/2020 08:04 (52), 01/16/2020 09:02 (16), 03/21/2024 14:54 (20), 03/21/2024 14:55 (10), 06/07/2024 01:41 (2)
Complete: 🔍
Cache ID: 216::103

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