Vulnerability-Lookup

OESA-2021-1078 (CVE-2020-25712)

Vulnerability from osv_openeuler – Published: 2021-03-05 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

xorg-x11-server security update

Details

X.Org X11 X server.

Security Fix(es):

A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-25712)

A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.(CVE-2020-14347)

Severity

7.8 (High)


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

References

URL

Type

	https://openeuler.org/en/security/safety-bulletin…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2020-25712	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2020-14347	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "xorg-x11-server-debuginfo-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-Xephyr-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-devel-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-debugsource-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-debuginfo-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-Xephyr-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-devel-1.20.8-4.oe1.aarch64.rpm",
          "xorg-x11-server-debugsource-1.20.8-4.oe1.aarch64.rpm"
        ],
        "noarch": [
          "xorg-x11-server-help-1.20.8-4.oe1.noarch.rpm",
          "xorg-x11-server-help-1.20.8-4.oe1.noarch.rpm"
        ],
        "src": [
          "xorg-x11-server-1.20.8-4.oe1.src.rpm",
          "xorg-x11-server-1.20.8-4.oe1.src.rpm"
        ],
        "x86_64": [
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        "name": "xorg-x11-server",
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      },
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    "severity": "High"
  },
  "details": "X.Org X11 X server.\r\n\r\nSecurity Fix(es):\r\n\r\nA flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-25712)\r\n\r\nA flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.(CVE-2020-14347)",
  "id": "OESA-2021-1078",
  "modified": "2026-08-06T11:04:18Z",
  "published": "2021-03-05T11:04:18Z",
  "references": [
    {
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      "url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1078"
    },
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    },
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    }
  ],
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  "severity": [
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      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "xorg-x11-server security update",
  "upstream": [
    "CVE-2020-25712",
    "CVE-2020-14347"
  ]
}

CVE-2020-14347 (GCVE-0-2020-14347)

Vulnerability from cvelistv5 – Published: 2020-08-05 13:08 – Updated: 2024-08-04 12:39

Summary

Severity

5.5 (Medium)


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

CWE

CWE-665

Assigner

redhat redhat root

References

10 references

URL	Tags
https://lists.x.org/archives/xorg-announce/2020-J…	x_refsource_MISC
https://www.openwall.com/lists/oss-security/2020/…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2020/dsa-4758	vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/4488-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4488-2/	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/202012-01	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
The Xorg Project	xorg-x11-server	Affected: 1.20.9

Show details on NVD website

JSON

To clipboard

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CVE-2020-25712 (GCVE-0-2020-25712)

Vulnerability from cvelistv5 – Published: 2020-12-15 16:52 – Updated: 2024-08-04 15:40

Summary

Severity

No CVSS data available.

CWE

CWE-122

Assigner

redhat redhat root

References

2 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1887276	x_refsource_MISC
https://lists.x.org/archives/xorg-announce/2020-D…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	xorg-x11-server	Affected: xorg-x11-server 1.20.10

Show details on NVD website

JSON

To clipboard

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                        "version_data": [
                          {
                            "version_value": "xorg-x11-server 1.20.10"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-122"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1887276",
              "refsource": "MISC",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1887276"
            },
            {
              "name": "https://lists.x.org/archives/xorg-announce/2020-December/003066.html",
              "refsource": "MISC",
              "url": "https://lists.x.org/archives/xorg-announce/2020-December/003066.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2020-25712",
    "datePublished": "2020-12-15T16:52:38.000Z",
    "dateReserved": "2020-09-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:40:36.621Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

OESA-2021-1078 (CVE-2020-25712)

CVE-2020-14347 (GCVE-0-2020-14347)

CVE-2020-25712 (GCVE-0-2020-25712)

Tags

Sightings

Nomenclature

Related by attack behaviour