CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.7 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Perl up to 5.8.4.5 (Programming Language Software). Affected by this issue is an unknown part. The manipulation of the argument PERLIO_DEBUG
with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.
The bug was discovered 02/02/2005. The weakness was disclosed 02/02/2005 with Ubuntu (Website). The advisory is shared for download at ubuntulinux.org. This vulnerability is handled as CVE-2005-0156 since 01/27/2005. The attack needs to be done within the local network. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.
A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 19062 (FreeBSD : perl -- vulnerabilities in PERLIO_DEBUG handling (a5eb760a-753c-11d9-a36f-000a95bc6fae)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121527 (Solaris Multiple Vulnerabilities in Perl 5.8).
Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at perl.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (19208), Tenable (19062) and Exploit-DB (791). The entries 955, 1089, 1171 and 1270 are pretty similar.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 19062
Nessus Name: FreeBSD : perl -- vulnerabilities in PERLIO_DEBUG handling (a5eb760a-753c-11d9-a36f-000a95bc6fae)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 52198
OpenVAS Name: FreeBSD Ports: perl
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: perl.com
Timeline
01/27/2005 🔍02/02/2005 🔍
02/02/2005 🔍
02/02/2005 🔍
02/02/2005 🔍
02/03/2005 🔍
02/03/2005 🔍
02/07/2005 🔍
02/10/2005 🔍
07/13/2005 🔍
03/10/2021 🔍
Sources
Advisory: ubuntulinux.orgResearcher: http://www.ubuntulinux.org
Organization: Ubuntu
Status: Not defined
CVE: CVE-2005-0156 (🔍)
OVAL: 🔍
X-Force: 19208 - Perl PERLIO_DEBUG environment variable buffer overflow, High Risk
SecurityFocus: 12426 - Perl SuidPerl Multiple Local Vulnerabilities
Secunia: 14122 - Cisco IP/VC 3500 Series Hard-Coded SNMP Community Strings, Moderately Critical
OSVDB: 13452 - Perl PERLIO_DEBUG Local Overflow
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 02/10/2005 12:07Updated: 03/10/2021 14:06
Changes: 02/10/2005 12:07 (87), 07/01/2019 09:29 (6), 03/10/2021 14:06 (2)
Complete: 🔍
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