HOMEVULNERABILITIESCVE-2005-0156
LOWPOC

CVE-2005-0156

NVD-CWE-OtherPublished: February 7, 2005· Updated: Jun 16, 2026

2.1
CVSS v3.1

Official Description

Buffer overflow in the PerlIO implementation in Perl 5.8.0, when installed with setuid support (sperl), allows local users to execute arbitrary code by setting the PERLIO_DEBUG variable and executing a Perl script whose full pathname contains a long directory tree.

NVD Source

Technical Analysis

CVE-2005-0156 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2005-0156. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:L/AC:L/Au:N/C:N/I:P/A:N

Affected Vendors & Products

IBM1 product(s)
aix
larry_wall1 product(s)
perl
Red Hat3 product(s)
enterprise linuxenterprise linux desktopfedora core
sgi1 product(s)
propack
SUSE1 product(s)
suse linux
trustix1 product(s)
secure linux
Ubuntu1 product(s)
ubuntu linux
Source: NVD CPE · 27 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (30)

Quick Facts

CVE IDCVE-2005-0156
CVSS Score2.1 / 10
SeverityLOW
CISA KEVNo
ExploitPOC
Affected7 vendor(s)
PublishedFeb 7, 2005

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2005-0156 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.