Strongswan
CVE-2018-10811
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Missing initialization of resource
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
strongSwan 5.6.0 and older allows Remote Denial of Service because of Missing Initialization of a Variable. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified under CWE-909. strongSwan 5.6.0 and older allows Remote Denial of Service because of Missing Initialization of a Variable. Affected products include: Strongswan, Debian Debian Linux, Canonical Ubuntu Linux, Fedoraproject Fedora.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
strongSwan 5.6.0 and older allows Remote Denial of Service because of Missing Initialization of a Variable.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
More in Strongswan
View allUnauthenticated remote attackers can crash strongSwan versions 4.5.0 through 6.0.4 via integer underflow in the EAP-TTLS
strongSwan 5.2.2 and 5.3.0 allows remote attackers to cause a denial of service (daemon crash) or execute arbitrary code
strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value
strongSwan 5.9.8 and 5.9.9 potentially allows remote code execution because it uses a variable named "public" for two di
The is_asn1 function in strongSwan 4.1.11 through 5.0.4 does not properly validate the return value of the asn1_length f
The gmp plugin in strongSwan before 5.5.3 does not properly validate RSA public keys before calling mpz_powm_sec, which
The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allow
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference
The GMP Plugin in strongSwan 4.2.0 through 4.6.3 allows remote attackers to bypass authentication via a (1) empty or (2)
Use-after-free in strongSwan's IKEv2 Multi-Key Exchange (Multi-KE, RFC 9370) implementation is triggered when two authen
Denial of service via infinite loop in strongSwan's x509 plugin affects all deployments that process X.509 attribute cer
Denial of service via NULL-pointer dereference in strongSwan's x509 plugin affects versions 4.2.0 through 6.0.x, trigger
GitHub PoC
Exploit-DB