NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-8019
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.

Publication Date June 29, 2020, 9:15 p.m.
Registration Date Jan. 26, 2021, 12:01 p.m.
Last Update Nov. 21, 2024, 2:38 p.m.
CVSS3.1 : HIGH
スコア 7.8
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 低
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) 高
CVSS2.0 : HIGH
Score 7.2
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) 高
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 2.0.9-27.34.40.5.1
execution environment
1 cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp3:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 2.0.9-27.34.40.5.1
execution environment
1 cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 3.6.4-12.8.1
execution environment
1 cpe:2.3:a:suse:linux_enterprise_module_for_legacy:12:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 2.0.9-27.34.40.5.1
execution environment
1 cpe:2.3:a:suse:linux_enterprise_point_of_sale:11:sp3:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 2.0.9-27.34.40.5.1
execution environment
1 cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:ltss:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 3.6.4-12.8.1
execution environment
1 cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:sap:*:*
Configuration7 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 3.19.1-bp151.4.6.1
execution environment
1 cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:* 3.19.1-lp151.3.6.1
execution environment
1 cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
syslog-ng における UNIX Symbolic Link のフォローに関する脆弱性
Title syslog-ng における UNIX Symbolic Link のフォローに関する脆弱性
Summary

syslog-ng には、UNIX Symbolic Link のフォローに関する脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date April 14, 2020, midnight
Registration Date Aug. 17, 2020, 9:33 a.m.
Last Update Aug. 17, 2020, 9:33 a.m.
Affected System
One Identity
syslog-ng 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2020年08月17日]
  掲載		 Aug. 17, 2020, 9:33 a.m.