CVE-2020-7711: Github.com/russellhaering/goxmldsig Goxmldsig Vulnerable To Crash On Vulnerability
HIGHCVE-2020-7711 is a HIGH (CVSS 7.5) goxmldsig vulnerable to crash on vulnerability (CWE-476: NULL Pointer Dereference) affecting Github.com/russellhaering/goxmldsig libraries in the Go ecosystem. The issue involves goxmldsig vulnerable to crash on nil-pointer dereference caused by sending malformed xml signatures. Remediation is available by upgrading affected packages to version 1.1.1, 0.7.0.
CVE-2020-7711 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2020-7711
To remediate this vulnerability, upgrade all affected Github.com/russellhaering/goxmldsig dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/russellhaering/goxmldsig to 1.1.1Upgrade github.com/russellhaering/gosaml2 to 0.7.0Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/russellhaering/goxmldsigHow to Check if You Are Affected
To determine whether your application is affected by CVE-2020-7711, inspect your project dependencies for Github.com/russellhaering/goxmldsig:
inspect dependencies for github.com/russellhaering/goxmldsigAnalyze the terminal output to locate any version of Github.com/russellhaering/goxmldsig in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.1.1), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-476: NULL Pointer Dereference, where the product dereferences a pointer that it expects to be valid but is null. In Github.com/russellhaering/goxmldsig, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2020-7711 Affected Github.com/russellhaering/goxmldsig Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/russellhaering/goxmldsig
|
Go |
< 1.1.1
|
1.1.1
|
|
github.com/russellhaering/gosaml2
|
Go |
< 0.7.0
|
0.7.0
|
References
Frequently Asked Questions
What is CVE-2020-7711?
Which Github.com/russellhaering/goxmldsig versions are affected?
What version fixes CVE-2020-7711?
Is github.com/russellhaering/goxmldsig affected?
Is github.com/russellhaering/gosaml2 affected?
What is the CVSS score of CVE-2020-7711?
What CWE is associated with CVE-2020-7711?
How can I check Go dependencies for CVE-2020-7711?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-mqqv-chpx-vq25",
"modified" : "2024-05-20T19:24:46Z",
"published" : "2022-10-07T07:17:56Z",
"aliases" : [ "CVE-2020-7711" ],
"summary" : "goxmldsig vulnerable to crash on nil-pointer dereference caused by sending malformed XML signatures",
"details" : "This affects all versions of package github.com/russellhaering/goxmldsig prior to 1.1.1. There is a crash on nil-pointer dereference caused by sending malformed XML signatures. This issue is patched in version 1.1.1.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/russellhaering/goxmldsig"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.1.1"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/russellhaering/gosaml2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "0.7.0"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-7711"
}, {
"type" : "WEB",
"url" : "https://github.com/russellhaering/gosaml2/issues/59"
}, {
"type" : "WEB",
"url" : "https://github.com/russellhaering/goxmldsig/issues/48"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/russellhaering/goxmldsig"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2020-0046"
}, {
"type" : "WEB",
"url" : "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOXMLDSIG-608301"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-476" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2022-10-07T07:17:56Z",
"nvd_published_at" : null
}
}