libcsp up to 1.4 zmq Interface csp_if_zmqhub.c memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.6 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in libcsp up to 1.4. Affected is an unknown function of the file csp_if_zmqhub.c of the component zmq Interface. The manipulation results in memory corruption. This vulnerability is known as CVE-2016-8598. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability, which was classified as very critical, was found in libcsp up to 1.4. Affected is an unknown part of the file csp_if_zmqhub.c of the component zmq Interface. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Buffer overflow in the zmq interface in csp_if_zmqhub.c in the libcsp library v1.4 and earlier allows hostile computers connected via a zmq interface to execute arbitrary code via a long packet.
The weakness was published 10/28/2016 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2016-8598 since 10/11/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/14/2025).
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 vulnerability database at SecurityFocus (BID 94226†). Similar entries are available at VDB-93178 and VDB-93179. Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
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 |
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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
Class: Memory corruptionCWE: CWE-119
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
10/11/2016 🔍10/28/2016 🔍
10/28/2016 🔍
10/29/2016 🔍
11/10/2016 🔍
08/14/2025 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2016-8598 (🔍)
GCVE (CVE): GCVE-0-2016-8598
GCVE (VulDB): GCVE-100-93180
SecurityFocus: 94226 - libcsp Multiple Buffer Overflow Vulnerabilities
See also: 🔍
Entry
Created: 10/29/2016 19:07Updated: 08/14/2025 19:26
Changes: 10/29/2016 19:07 (48), 05/20/2019 00:21 (12), 09/28/2022 20:23 (2), 08/14/2025 19:26 (21)
Complete: 🔍
Cache ID: 216:3C0:103
Once again VulDB remains the best source for vulnerability data.
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