shadowsocks-libev 3.1.0 ss-manager manager.c Shell Metacharacter command injection
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in shadowsocks-libev 3.1.0. Affected is an unknown code of the file manager.c of the component ss-manager. The manipulation as part of a Shell Metacharacter leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
In manager.c in ss-manager in shadowsocks-libev 3.1.0, improper parsing allows command injection via shell metacharacters in a JSON configuration request received via 127.0.0.1 UDP traffic, related to the add_server, build_config, and construct_command_line functions.
The bug was discovered 10/27/2017. The weakness was shared 10/27/2017 (Website). The advisory is available at openwall.com. This vulnerability is traded as CVE-2017-15924 since 10/27/2017. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 104224 (Debian DSA-4009-1 : shadowsocks-libev - 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 170562 (OpenSUSE Security Update for shadowsocks-libev (openSUSE-SU-2017:3017-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104224).
Product
Name
Version
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: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 104224
Nessus Name: Debian DSA-4009-1 : shadowsocks-libev - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53379
OpenVAS Name: Debian Security Advisory DSA 4009-1 (shadowsocks-libev - 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: 🔍
Patch: github.com
Timeline
10/27/2017 🔍10/27/2017 🔍
10/27/2017 🔍
10/27/2017 🔍
10/28/2017 🔍
10/29/2017 🔍
10/30/2017 🔍
01/05/2023 🔍
Sources
Advisory: c67d275803dc6ea22c558d06b1f7ba9f94cd8de3Status: Not defined
CVE: CVE-2017-15924 (🔍)
OVAL: 🔍
Entry
Created: 10/28/2017 10:31Updated: 01/05/2023 08:54
Changes: 10/28/2017 10:31 (72), 12/01/2019 13:51 (3), 01/05/2023 08:54 (5)
Complete: 🔍
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