Vulnerability-Lookup

oesa-2021-1011

Vulnerability from osv_openeuler

Published

2021-02-04 11:04

Modified

2026-08-06 11:04

Summary

golang security update

Details

The Go Programming Language.\r\n\r\n Security Fix(es):\r\n\r\n The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.(CVE-2020-29509)\r\n\r\n

Severity

5.6 (Medium)


                    
                      CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References

URL

Type

	https://openeuler.org/en/security/safety-bulletin…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2020-29509	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "golang-1.13.15-2.oe1.aarch64.rpm",
          "golang-1.13.15-2.oe1.aarch64.rpm"
        ],
        "noarch": [
          "golang-help-1.13.15-2.oe1.noarch.rpm",
          "golang-devel-1.13.15-2.oe1.noarch.rpm",
          "golang-help-1.13.15-2.oe1.noarch.rpm",
          "golang-devel-1.13.15-2.oe1.noarch.rpm"
        ],
        "src": [
          "golang-1.13.15-2.oe1.src.rpm",
          "golang-1.13.15-2.oe1.src.rpm"
        ],
        "x86_64": [
          "golang-1.13.15-2.oe1.x86_64.rpm",
          "golang-1.13.15-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS",
        "name": "golang",
        "purl": "pkg:rpm/openEuler/golang\u0026distro=openEuler-20.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.13.15-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "golang-1.13.15-2.oe1.aarch64.rpm"
        ],
        "noarch": [
          "golang-help-1.13.15-2.oe1.noarch.rpm",
          "golang-devel-1.13.15-2.oe1.noarch.rpm"
        ],
        "src": [
          "golang-1.13.15-2.oe1.src.rpm"
        ],
        "x86_64": [
          "golang-1.13.15-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "golang",
        "purl": "pkg:rpm/openEuler/golang\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.13.15-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "The Go Programming Language.\\r\\n\\r\\n\r\nSecurity Fix(es):\\r\\n\\r\\n\r\nThe encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.(CVE-2020-29509)\\r\\n\\r\\n",
  "id": "OESA-2021-1011",
  "modified": "2026-08-06T11:04:14Z",
  "published": "2021-02-04T11:04:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1011"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-29509"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "golang security update",
  "upstream": [
    "CVE-2020-29509"
  ]
}

CVE-2020-29509 (GCVE-0-2020-29509)

Vulnerability from cvelistv5 – Published: 2020-12-14 20:02 – Updated: 2024-09-17 03:43

Summary

The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-115 - Misinterpretation of Input

Assigner

Mattermost mitre root

References

2 references

URL	Tags
https://github.com/mattermost/xml-roundtrip-valid…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2021012…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Golang	Go	Affected: All versions

Date Public

2020-12-14 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.