CVE-2016-6903

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Summary

CVECVE-2016-6903
StatePUBLISHED
Assignerdebian
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-04-24 19:59:00 UTC
Updated2025-04-20 01:37:25 UTC
Descriptionlshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.

Risk And Classification

Primary CVSS: v3.0 9.9 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-264 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.9CRITICALCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary9AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:S/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Lshell Project Lshell 0.9.16 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
1369345 – (CVE-2016-6902, CVE-2016-6903) CVE-2016-6902 CVE-2016-6903 lshell: Shell outbreak vulnerabilities via bad syntax parse and multiline commands af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch
[security] parse quoted strings for possible commands #147, #148, #149 by ghantoos · Pull Request #153 · ghantoos/lshell · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
oss-security - Re: CVE Request: lshell: shell outbreak vulnerabilities via bad syntax parse and multiline commands af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
SECURITY ISSUE: Escape possible using special keys · Issue #149 · ghantoos/lshell · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
lshell Multiple Security Bypass Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[security] MAJOR issue: catch ctrl escapes (Closes #149) · ghantoos/lshell@e72dfcd · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
#834946 - lshell: CVE-2016-6903: Shell outbreak with multiline commands - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org Issue Tracking, Patch, Third Party Advisory
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