CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.05 |
A vulnerability was found in Perl 5.8.6/5.9.2 (Programming Language Software). It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation of the argument format
with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Integer overflow in the format string functionality (Perl_sv_vcatpvfn) in Perl 5.9.2 and 5.8.6 Perl allows attackers to overwrite arbitrary memory and possibly execute arbitrary code via format string specifiers with large values, which causes an integer wrap and leads to a buffer overflow, as demonstrated using format string vulnerabilities in Perl applications.
The bug was discovered 09/23/2005. The weakness was released 12/01/2005 by Jack Louis (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2005-3962 since 12/01/2005. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 69 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 20366 (RHEL 4 : perl (RHSA-2005:880)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115307 (Perl Format String Vulnerability).
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (23380) and Tenable (20366). Entries connected to this vulnerability are available at 878, 940, 964 and 965.
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: 5.9VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.9
VulDB Temp Score: 5.3
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: Numeric errorCWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
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: 20366
Nessus Name: RHEL 4 : perl (RHSA-2005:880)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 56147
OpenVAS Name: Debian Security Advisory DSA 943-1 (perl)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
09/23/2005 🔍11/29/2005 🔍
12/01/2005 🔍
12/01/2005 🔍
12/01/2005 🔍
12/01/2005 🔍
12/01/2005 🔍
12/01/2005 🔍
12/11/2005 🔍
12/20/2005 🔍
12/30/2005 🔍
03/11/2015 🔍
06/12/2019 🔍
Sources
Advisory: us-cert.govResearcher: Jack Louis
Status: Not defined
Confirmation: 🔍
CVE: CVE-2005-3962 (🔍)
OVAL: 🔍
X-Force: 23380
Vulnerability Center: 9913 - Perl 5.9.2 and 5.8.6 Execution of Arbitrary Code via Format String Specifiers with Large Values, Medium
SecurityFocus: 15629 - Perl Perl_sv_vcatpvfn Format String Integer Wrap Vulnerability
Secunia: 17802 - Perl Explicit Format Parameter Index Integer Overflow Vulnerability, Moderately Critical
OSVDB: 21345 - Perl Explicit Format Parameter Index Overflow
Vupen: ADV-2005-2688
See also: 🔍
Entry
Created: 03/11/2015 23:39Updated: 06/12/2019 12:14
Changes: 03/11/2015 23:39 (87), 06/12/2019 12:14 (2)
Complete: 🔍
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