Larry Wall Perl 5.4.5/5.5/5.5.3/5.6 /bin/mail interactive privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Larry Wall Perl 5.4.5/5.5/5.5.3/5.6. Impacted is an unknown function of the file /bin/mail. The manipulation of the argument interactive with the input ~! as part of Environment Variable leads to privileges management. This vulnerability is referenced as CVE-2000-0703. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Larry Wall Perl 5.4.5/5.5/5.5.3/5.6 (Programming Language Software) and classified as critical. This issue affects an unknown code of the file /bin/mail. The manipulation of the argument interactive with the input value ~! leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

suidperl (aka sperl) does not properly cleanse the escape sequence "~!" before calling /bin/mail to send an error report, which allows local users to gain privileges by setting the "interactive" environmental variable and calling suidperl with a filename that contains the escape sequence.

The weakness was published 10/20/2000 by Sebastian Krahmer (Website). The advisory is shared at archives.neohapsis.com. The identification of this vulnerability is CVE-2000-0703. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed in Shell File. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (20141) and SecurityFocus (BID 1547†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2000 🔍
10/20/2000 +74 days 🔍
10/20/2000 +0 days 🔍
06/27/2014 +4998 days 🔍
12/07/2024 +3816 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Sebastian Krahmer
Status: Confirmed

CVE: CVE-2000-0703 (🔍)
GCVE (CVE): GCVE-0-2000-0703
GCVE (VulDB): GCVE-100-15845
SecurityFocus: 1547 - SuidPerl Mail Shell Escape Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/27/2014 14:51
Updated: 12/07/2024 12:09
Changes: 06/27/2014 14:51 (53), 05/27/2018 12:13 (7), 12/07/2024 12:09 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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