Vulnerability-Lookup

CNVD-2021-28784

Vulnerability from cnvd - Published: 2021-04-16

Title

多款SUSE产品中syslog-ng UNIX符号链接（Symlink）漏洞

Description

openSUSE和SUSE Linux Enterprise Server都是德国SUSE公司的产品。openSUSE是一套基于Linux的自由操作系统与开源社区项目。SUSE Linux Enterprise Server是一套企业服务器版Linux操作系统。多款SUSE产品中syslog-ng存在安全漏洞。本地攻击者可利用该漏洞提升权限。

Severity

高

Patch Name

多款SUSE产品中syslog-ng UNIX符号链接（Symlink）漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： http://lists.suse.com/pipermail/sle-security-updates/2020-May/006804.html?_ga=2.106350598.464067043.1588993615-905396761.1578894035

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-8019

Impacted products

Name
['SUSE SUSE Linux Enterprise Debuginfo 11-SP4', 'SUSE SUSE Linux Enterprise Debuginfo 11-SP3', 'SUSE Linux Enterprise Debuginfo 11-SP3', 'SUSE Linux Enterprise Debuginfo 11-SP4', 'SUSE Linux Enterprise Module for Legacy Software 12', 'SUSE Linux Enterprise Point of Sale 11-SP3', 'SUSE Linux Enterprise Server 11-SP4-LTSS', 'SUSE Linux Enterprise Server for SAP 12-SP1', 'openSUSE Backports SLE-15-SP1', 'openSUSE Leap 15.1']

Name

['SUSE SUSE Linux Enterprise Debuginfo 11-SP4', 'SUSE SUSE Linux Enterprise Debuginfo 11-SP3', 'SUSE Linux Enterprise Debuginfo 11-SP3', 'SUSE Linux Enterprise Debuginfo 11-SP4', 'SUSE Linux Enterprise Module for Legacy Software 12', 'SUSE Linux Enterprise Point of Sale 11-SP3', 'SUSE Linux Enterprise Server 11-SP4-LTSS', 'SUSE Linux Enterprise Server for SAP 12-SP1', 'openSUSE Backports SLE-15-SP1', 'openSUSE Leap 15.1']

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8019"
    }
  },
  "description": "openSUSE\u548cSUSE Linux Enterprise Server\u90fd\u662f\u5fb7\u56fdSUSE\u516c\u53f8\u7684\u4ea7\u54c1\u3002openSUSE\u662f\u4e00\u5957\u57fa\u4e8eLinux\u7684\u81ea\u7531\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5f00\u6e90\u793e\u533a\u9879\u76ee\u3002SUSE Linux Enterprise Server\u662f\u4e00\u5957\u4f01\u4e1a\u670d\u52a1\u5668\u7248Linux\u64cd\u4f5c\u7cfb\u7edf\u3002\n\n\u591a\u6b3eSUSE\u4ea7\u54c1\u4e2dsyslog-ng\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u3002",
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}

CVE-2020-8019 (GCVE-0-2020-8019)

Vulnerability from cvelistv5 – Published: 2020-06-29 11:30 – Updated: 2024-09-17 03:43

Title

syslog-ng: Local privilege escalation from new to root in %post

Summary

A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of syslog-ng of SUSE Linux Enterprise Debuginfo 11-SP3, SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Module for Legacy Software 12, SUSE Linux Enterprise Point of Sale 11-SP3, SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Linux Enterprise Server for SAP 12-SP1; openSUSE Backports SLE-15-SP1, openSUSE Leap 15.1 allowed local attackers controlling the user news to escalate their privileges to root. This issue affects: SUSE Linux Enterprise Debuginfo 11-SP3 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Debuginfo 11-SP4 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Module for Legacy Software 12 syslog-ng versions prior to 3.6.4-12.8.1. SUSE Linux Enterprise Point of Sale 11-SP3 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Server 11-SP4-LTSS syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Server for SAP 12-SP1 syslog-ng versions prior to 3.6.4-12.8.1. openSUSE Backports SLE-15-SP1 syslog-ng versions prior to 3.19.1-bp151.4.6.1. openSUSE Leap 15.1 syslog-ng versions prior to 3.19.1-lp151.3.6.1.

Severity

7.7 (High)


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

CWE

CWE-61 - UNIX Symbolic Link (Symlink) Following

Assigner

suse mitre root

References

1 reference

URL	Tags
https://bugzilla.suse.com/show_bug.cgi?id=1169385	x_refsource_CONFIRM

Impacted products

8 products

Vendor	Product	Version
SUSE	SUSE Linux Enterprise Debuginfo 11-SP3	Affected: syslog-ng , < 2.0.9-27.34.40.5.1 (custom)
SUSE	SUSE Linux Enterprise Debuginfo 11-SP4	Affected: syslog-ng , < 2.0.9-27.34.40.5.1 (custom)
SUSE	SUSE Linux Enterprise Module for Legacy Software 12	Affected: syslog-ng , < 3.6.4-12.8.1 (custom)
SUSE	SUSE Linux Enterprise Point of Sale 11-SP3	Affected: syslog-ng , < 2.0.9-27.34.40.5.1 (custom)
SUSE	SUSE Linux Enterprise Server 11-SP4-LTSS	Affected: syslog-ng , < 2.0.9-27.34.40.5.1 (custom)
SUSE	SUSE Linux Enterprise Server for SAP 12-SP1	Affected: syslog-ng , < 3.6.4-12.8.1 (custom)
openSUSE	openSUSE Backports SLE-15-SP1	Affected: syslog-ng , < 3.19.1-bp151.4.6.1 (custom)
openSUSE	openSUSE Leap 15.1	Affected: syslog-ng , < 3.19.1-lp151.3.6.1 (custom)

Date Public

2020-06-29 00:00

Credits

Johannes Segitz of SUSE

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.