CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in cURL and libcURL up to 7.56.x (Network Utility Software). Affected by this issue is an unknown function of the component FTP Wildcard Handler. The manipulation with the input value [
leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The FTP wildcard function in curl and libcurl before 7.57.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) or possibly have unspecified other impact via a string that ends with an '[' character.
The bug was discovered 11/29/2017. The weakness was shared 11/29/2017 (Website). The advisory is available at curl.haxx.se. This vulnerability is handled as CVE-2017-8817 since 05/07/2017. 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 104861 (Debian DSA-4051-1 : curl - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370738 (Apple macOS High Sierra 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan Not Installed (Meltdown)).
Upgrading to version 7.57.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104861). The entries 110053, 111325, 112574 and 112575 are related to this item.
Product
Type
Name
Version
- 7.0
- 7.1
- 7.2
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 7.8
- 7.9
- 7.10
- 7.11
- 7.12
- 7.13
- 7.14
- 7.15
- 7.16
- 7.17
- 7.18
- 7.19
- 7.20
- 7.21
- 7.22
- 7.23
- 7.24
- 7.25
- 7.26
- 7.27
- 7.28
- 7.29
- 7.30
- 7.31
- 7.32
- 7.33
- 7.34
- 7.35
- 7.36
- 7.37
- 7.38
- 7.39
- 7.40
- 7.41
- 7.42
- 7.43
- 7.44
- 7.45
- 7.46
- 7.47
- 7.48
- 7.49
- 7.50
- 7.51
- 7.52
- 7.53
- 7.54
- 7.55
- 7.56
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Out-of-boundsCWE: CWE-125 / CWE-119
ATT&CK: Unknown
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: 104861
Nessus Name: Debian DSA-4051-1 : curl - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703794
OpenVAS Name: Debian Security Advisory DSA 4051-1 (curl - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: cURL/libcURL 7.57.0
Timeline
05/07/2017 🔍11/29/2017 🔍
11/29/2017 🔍
11/29/2017 🔍
11/29/2017 🔍
11/29/2017 🔍
11/30/2017 🔍
11/30/2017 🔍
01/16/2023 🔍
Sources
Advisory: RHSA-2018:3558Researcher: Adam Mariš
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-8817 (🔍)
OVAL: 🔍
SecurityTracker: 1039897
SecurityFocus: 102057 - cURL/libcURL CVE-2017-8817 Memory Corruption Vulnerability
See also: 🔍
Entry
Created: 11/30/2017 08:12Updated: 01/16/2023 14:47
Changes: 11/30/2017 08:12 (76), 12/11/2019 09:40 (5), 01/25/2021 10:47 (3), 01/25/2021 10:53 (1), 01/16/2023 14:47 (3)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.