F5 BIG-IP APM up to 11.4.1 HF9/11.5.2/11.6.0 HF3 Citrix Remote Desktop Connection memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.6 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in F5 BIG-IP APM up to 11.4.1 HF9/11.5.2/11.6.0 HF3. Affected by this issue is some unknown functionality of the component Citrix Remote Desktop Connection Handler. The manipulation leads to memory corruption. This vulnerability is handled as CVE-2015-8098. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Details
A vulnerability classified as very critical was found in F5 BIG-IP APM up to 11.4.1 HF9/11.5.2/11.6.0 HF3 (Firewall Software). Affected by this vulnerability is some unknown processing of the component Citrix Remote Desktop Connection Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
F5 BIG-IP APM 11.4.1 before 11.4.1 HF9, 11.5.x before 11.5.3, and 11.6.0 before 11.6.0 HF4 allow remote attackers to cause a denial of service or execute arbitrary code via unspecified vectors related to processing a Citrix Remote Desktop connection through a virtual server configured with a remote desktop profile, aka an "Out-of-bounds memory vulnerability."
The weakness was released 01/12/2016 (Website). It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2015-8098 since 11/09/2015. The attack can be launched remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/02/2022).
The vulnerability scanner Nessus provides a plugin with the ID 87771 (F5 Networks BIG-IP : Out-of-bounds memory vulnerability with the BIG-IP APM system (SOL43552605)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l.
Upgrading to version 11.4.1 HF10, 11.5.3 or 11.6.0 HF4 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (87771), SecurityFocus (BID 80022†) and Vulnerability Center (SBV-55574†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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: Memory corruptionCWE: CWE-119
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 |
Nessus ID: 87771
Nessus Name: F5 Networks BIG-IP : Out-of-bounds memory vulnerability with the BIG-IP APM system (SOL43552605)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - SOL43552605 - Out-of-bounds memory vulnerability with the BIG-IP APM system CVE-2015-8098
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BIG-IP APM 11.4.1 HF10/11.5.3/11.6.0 HF4
Timeline
11/09/2015 🔍01/06/2016 🔍
01/06/2016 🔍
01/07/2016 🔍
01/07/2016 🔍
01/10/2016 🔍
01/12/2016 🔍
01/12/2016 🔍
01/13/2016 🔍
07/02/2022 🔍
Sources
Vendor: f5.comAdvisory: K43552605
Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-8098 (🔍)
GCVE (CVE): GCVE-0-2015-8098
GCVE (VulDB): GCVE-100-80191
SecurityFocus: 80022 - F5 BIG-IP APM File Handling Out of Bounds Memory Corruption Vulnerability
SecurityTracker: 1034609
Vulnerability Center: 55574 - Big-IP APM Remote Code Execution due to an Out-of-Bounds Memory Vulnerability, Critical
Entry
Created: 01/13/2016 09:24Updated: 07/02/2022 22:33
Changes: 01/13/2016 09:24 (58), 06/20/2018 08:44 (23), 07/02/2022 22:25 (3), 07/02/2022 22:33 (1)
Complete: 🔍
Cache ID: 216:C5F:103
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