HP HP-UX 11.00/11.4/11.11 localtime_r memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in HP HP-UX 11.00/11.4/11.11. It has been classified as problematic. Affected by this vulnerability is the function localtime_r. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2006-5556. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in HP HP-UX 11.00/11.4/11.11 (Operating System) and classified as problematic. Affected by this vulnerability is the function localtime_r. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.

The weakness was shared 10/27/2006 with NCC Group (Website). The advisory is shared at milw0rm.com. This vulnerability is known as CVE-2006-5556 since 10/27/2006. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (29777), Exploit-DB (2636), SecurityFocus (BID 20718†) and Vulnerability Center (SBV-28838†). The entry VDB-28487 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/24/2006 🔍
10/24/2006 +0 days 🔍
10/27/2006 +3 days 🔍
10/27/2006 +0 days 🔍
10/27/2006 +0 days 🔍
12/28/2010 +1523 days 🔍
03/12/2015 +1535 days 🔍
12/21/2024 +3572 days 🔍

Sourcesinfo

Vendor: hp.com

Advisory: milw0rm.com⛔
Organization: NCC Group
Status: Not defined

CVE: CVE-2006-5556 (🔍)
GCVE (CVE): GCVE-0-2006-5556
GCVE (VulDB): GCVE-100-32989
X-Force: 29777
SecurityFocus: 20718 - HP-UX LibC TZ Environment Variable Local Buffer Overflow Vulnerability
Vulnerability Center: 28838 - HP-UX B.11.11 Local Arbitrary Code Execution Vulnerability via a Long TZ Environment Variable, High

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

Entryinfo

Created: 03/12/2015 22:21
Updated: 12/21/2024 04:44
Changes: 03/12/2015 22:21 (49), 03/12/2017 08:51 (14), 08/02/2024 01:58 (19), 12/21/2024 04:44 (4)
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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