csaf_suse - suse-su-2021:1577-1

SUSE-SU-2021:1577-1

Vulnerability from csaf_suse - Published: 2021-05-12 10:07 - Updated: 2021-05-12 10:07

Summary

Security update for openvpn

Notes

Title of the patch

Security update for openvpn

Description of the patch

This update for openvpn fixes the following issues: - CVE-2020-15078: Fixed authentication bypass with deferred authentication (bsc#1185279). - CVE-2020-11810: Fixed race condition between allocating peer-id and initializing data channel key (bsc#1169925). - CVE-2018-7544: Fixed cross-protocol scripting issue that was discovered in the management interface (bsc#1085803).

Patchnames

SUSE-2021-1577,SUSE-SLE-Module-Basesystem-15-SP2-2021-1577,SUSE-SLE-Module-Basesystem-15-SP3-2021-1577

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

To clipboard

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          "title": "CVE description"
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-05-12T10:07:01Z",
          "details": "low"
        }
      ],
      "title": "CVE-2020-11810"
    },
    {
      "cve": "CVE-2020-15078",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-15078"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Module for Basesystem 15 SP3:openvpn-devel-2.4.3-5.7.1.x86_64"
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      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-15078",
          "url": "https://www.suse.com/security/cve/CVE-2020-15078"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1185279 for CVE-2020-15078",
          "url": "https://bugzilla.suse.com/1185279"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-05-12T10:07:01Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-15078"
    }
  ]
}

CVE-2020-15078 (GCVE-0-2020-15078)

Vulnerability from cvelistv5 – Published: 2021-04-26 13:19 – Updated: 2024-08-04 13:08

Summary

OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.

Severity ?

No CVSS data available.

CWE

CWE-305 - Authentication Bypass by Primary Weakness

Assigner

OpenVPN

References

URL

Tags

	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://community.openvpn.net/openvpn/wiki/CVE-20…	x_refsource_MISC
	https://community.openvpn.net/openvpn/wiki/Securi…	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://security.gentoo.org/glsa/202105-25	vendor-advisoryx_refsource_GENTOO
	https://usn.ubuntu.com/usn/usn-4933-1	vendor-advisoryx_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	OpenVPN	Affected: 2.5.1 and earlier versions

Show details on NVD website

JSON

To clipboard

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}

CVE-2020-11810 (GCVE-0-2020-11810)

Vulnerability from cvelistv5 – Published: 2020-04-27 14:47 – Updated: 2024-08-04 11:42

Summary

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 (P_DATA_V2) packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be dropped. This requires careful timing due to the small time window (usually within a few seconds) between the victim client connection starting and the server PUSH_REPLY response back to the client. This attack will only work if Negotiable Cipher Parameters (NCP) is in use.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/OpenVPN/openvpn/commit/37bc691…	x_refsource_CONFIRM
	https://security-tracker.debian.org/tracker/CVE-2…	x_refsource_MISC
	https://bugzilla.suse.com/show_bug.cgi?id=1169925	x_refsource_CONFIRM
	https://community.openvpn.net/openvpn/ticket/1272	x_refsource_CONFIRM
	https://patchwork.openvpn.net/patch/1079/	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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CVE-2018-7544 (GCVE-0-2018-7544)

Vulnerability from cvelistv5 – Published: 2018-03-16 15:00 – Updated: 2024-11-14 20:46

Summary

A cross-protocol scripting issue was discovered in the management interface in OpenVPN through 2.4.5. When this interface is enabled over TCP without a password, and when no other clients are connected to this interface, attackers can execute arbitrary management commands, obtain sensitive information, or cause a denial of service (SIGTERM) by triggering XMLHttpRequest actions in a web browser. This is demonstrated by a multipart/form-data POST to http://localhost:23000 with a "signal SIGTERM" command in a TEXTAREA element. NOTE: The vendor disputes that this is a vulnerability. They state that this is the result of improper configuration of the OpenVPN instance rather than an intrinsic vulnerability, and now more explicitly warn against such configurations in both the management-interface documentation, and with a runtime warning

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

http://blog.0xlabs.com/2018/03/openvpn-remote-inf…

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          }
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                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-14T20:46:06.262821Z",
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          "dateUpdated": "2024-11-14T20:46:28.947Z",
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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

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.

Action not permitted

SUSE-SU-2021:1577-1

CVE-2020-15078 (GCVE-0-2020-15078)

CVE-2020-11810 (GCVE-0-2020-11810)

CVE-2018-7544 (GCVE-0-2018-7544)

Tags

Sightings

Nomenclature