libtorrent 1.1.0 GZIP Response puff.cpp construct input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.84 |
Summary
A vulnerability, which was classified as problematic, was found in libtorrent 1.1.0. This vulnerability affects the function construct of the file puff.cpp of the component GZIP Response Handler. Executing a manipulation can lead to input validation.
This vulnerability is handled as CVE-2016-7164. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability classified as problematic was found in libtorrent 1.1.0 (Peer-to-Peer Software). This vulnerability affects the function construct of the file puff.cpp of the component GZIP Response Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:
The construct function in puff.cpp in Libtorrent 1.1.0 allows remote torrent trackers to cause a denial of service (segmentation fault and crash) via a crafted GZIP response.
The bug was discovered 02/07/2017. The weakness was released 02/07/2017 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-7164 since 09/08/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 254388 (Linux Distros Unpatched Vulnerability : CVE-2016-7164), which helps to determine the existence of the flaw in a target environment.
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 (254388) and SecurityFocus (BID 92891†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 254388
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2016-7164
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
09/08/2016 🔍09/08/2016 🔍
02/07/2017 🔍
02/07/2017 🔍
02/07/2017 🔍
02/07/2017 🔍
08/25/2025 🔍
Sources
Advisory: 1021Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-7164 (🔍)
GCVE (CVE): GCVE-0-2016-7164
GCVE (VulDB): GCVE-100-96616
SecurityFocus: 92891 - Libtorrent CVE-2016-7164 Denial of Service Vulnerability
OSVDB: - CVE-2016-7164 - libtorrent - Denial of Service Issue
Entry
Created: 02/07/2017 22:15Updated: 08/25/2025 13:04
Changes: 02/07/2017 22:15 (58), 08/11/2020 16:11 (6), 11/11/2022 21:21 (4), 08/25/2025 13:04 (22)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.