csaf_suse - suse-su-2021:0226-1

suse-su-2021:0226-1

Vulnerability from csaf_suse

Published

2021-01-26 18:21

Modified

2021-01-26 18:21

Summary

Security update for sudo

Notes

Title of the patch

Security update for sudo

Description of the patch

This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges [bsc#1181090,CVE-2021-3156] - It was possible for a user to test for the existence of a directory due to a Race Condition in `sudoedit` [bsc#1180684,CVE-2021-23239] - A Possible Symlink Attack vector existed in `sudoedit` if SELinux was running in permissive mode [bsc#1180685, CVE-2021-23240] - It was possible for a User to enable Debug Settings not Intended for them [bsc#1180687]

Patchnames

HPE-Helion-OpenStack-8-2021-226,SUSE-2021-226,SUSE-OpenStack-Cloud-8-2021-226,SUSE-OpenStack-Cloud-9-2021-226,SUSE-OpenStack-Cloud-Crowbar-8-2021-226,SUSE-OpenStack-Cloud-Crowbar-9-2021-226,SUSE-SLE-SAP-12-SP3-2021-226,SUSE-SLE-SAP-12-SP4-2021-226,SUSE-SLE-SERVER-12-SP3-2021-226,SUSE-SLE-SERVER-12-SP3-BCL-2021-226,SUSE-SLE-SERVER-12-SP4-LTSS-2021-226,SUSE-Storage-5-2021-226

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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          "category": "external",
          "summary": "SUSE Bug 1181657 for CVE-2021-3156",
          "url": "https://bugzilla.suse.com/1181657"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1183936 for CVE-2021-3156",
          "url": "https://bugzilla.suse.com/1183936"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218863 for CVE-2021-3156",
          "url": "https://bugzilla.suse.com/1218863"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1225623 for CVE-2021-3156",
          "url": "https://bugzilla.suse.com/1225623"
        }
      ],
      "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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            "SUSE OpenStack Cloud Crowbar 9:sudo-1.8.20p2-3.20.1.x86_64"
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-01-26T18:21:06Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-3156"
    }
  ]
}

CVE-2021-23240 (GCVE-0-2021-23240)

Vulnerability from cvelistv5

Published

2021-01-12 08:17

Modified

2024-08-03 19:05

Severity ?

CWE

Summary

selinux_edit_copy_tfiles in sudoedit in Sudo before 1.9.5 allows a local unprivileged user to gain file ownership and escalate privileges by replacing a temporary file with a symlink to an arbitrary file target. This affects SELinux RBAC support in permissive mode. Machines without SELinux are not vulnerable.

References

URL

Tags

	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23240	x_refsource_MISC
	https://www.sudo.ws/stable.html#1.9.5	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202101-33	vendor-advisory, x_refsource_GENTOO
	https://security.netapp.com/advisory/ntap-20210129-0010/	x_refsource_CONFIRM
	https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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CVE-2021-3156 (GCVE-0-2021-3156)

Vulnerability from cvelistv5

Published

2021-01-26 00:00

Modified

2025-10-21 23:35

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Summary

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.

References

URL

Tags

	https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html	mailing-list
	http://seclists.org/fulldisclosure/2021/Jan/79	mailing-list
	http://www.openwall.com/lists/oss-security/2021/01/26/3	mailing-list
	https://security.gentoo.org/glsa/202101-33	vendor-advisory
	https://www.debian.org/security/2021/dsa-4839	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/	vendor-advisory
	http://www.openwall.com/lists/oss-security/2021/01/27/1	mailing-list
	http://www.openwall.com/lists/oss-security/2021/01/27/2	mailing-list
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM	vendor-advisory
	https://www.kb.cert.org/vuls/id/794544	third-party-advisory
	http://seclists.org/fulldisclosure/2021/Feb/42	mailing-list
	http://www.openwall.com/lists/oss-security/2021/02/15/1	mailing-list
	https://www.oracle.com//security-alerts/cpujul2021.html
	https://www.sudo.ws/stable.html#1.9.5p2
	https://www.openwall.com/lists/oss-security/2021/01/26/3
	http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html
	https://security.netapp.com/advisory/ntap-20210128-0002/
	https://security.netapp.com/advisory/ntap-20210128-0001/
	http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html
	http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html
	http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html
	https://support.apple.com/kb/HT212177
	https://kc.mcafee.com/corporate/index?page=content&id=SB10348
	https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability
	https://www.synology.com/security/advisory/Synology_SA_21_02
	http://www.openwall.com/lists/oss-security/2021/09/14/2	mailing-list
	https://www.oracle.com/security-alerts/cpuoct2021.html
	https://www.oracle.com/security-alerts/cpuapr2022.html
	http://www.openwall.com/lists/oss-security/2024/01/30/8	mailing-list
	http://www.openwall.com/lists/oss-security/2024/01/30/6	mailing-list
	http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
	http://seclists.org/fulldisclosure/2024/Feb/3	mailing-list
	https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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CVE-2021-23239 (GCVE-0-2021-23239)

Vulnerability from cvelistv5

Published

2021-01-12 00:00

Modified

2024-08-03 19:05

Severity ?

CWE

Summary

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.

References

URL

Tags

	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239
	https://www.sudo.ws/stable.html#1.9.5
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/	vendor-advisory
	https://security.gentoo.org/glsa/202101-33	vendor-advisory
	https://security.netapp.com/advisory/ntap-20210129-0010/
	https://lists.debian.org/debian-lts-announce/2022/11/msg00007.html	mailing-list

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-23239",
    "datePublished": "2021-01-12T00:00:00",
    "dateReserved": "2021-01-07T00:00:00",
    "dateUpdated": "2024-08-03T19:05:55.298Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

suse-su-2021:0226-1

Vulnerability from csaf_suse

CVE-2021-23240 (GCVE-0-2021-23240)

Vulnerability from cvelistv5

CVE-2021-3156 (GCVE-0-2021-3156)

Vulnerability from cvelistv5

CVE-2021-23239 (GCVE-0-2021-23239)

Vulnerability from cvelistv5

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Sightings

Nomenclature