GNU C Library up to 2.14 __tzfile_read numeric error

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in GNU C Library up to 2.14. This affects the function __tzfile_read. Executing a manipulation can lead to numeric error. This vulnerability is handled as CVE-2009-5029. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in GNU C Library up to 2.14 (Software Library) and classified as critical. This vulnerability affects the function __tzfile_read. The manipulation 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. CVE summarizes:

Integer overflow in the __tzfile_read function in glibc before 2.15 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted timezone (TZ) file, as demonstrated using vsftpd.

The weakness was released 05/02/2013 by Dan Rosenberg as Bug 761245 as confirmed bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2009-5029 since 12/09/2010. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 70885 (ESXi 5.0 < Build 912577 Multiple Vulnerabilities (remote check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216049 (VMWare ESXi 5.1.0 Patch Complete Update 1 Missing (KB2041632)).

Upgrading to version 2.14 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (36404), Tenable (70885), SecurityFocus (BID 40063†) and Vulnerability Center (SBV-34350†). Entries connected to this vulnerability are available at VDB-4619, VDB-4675, VDB-4996 and VDB-5407. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70885
Nessus Name: ESXi 5.0 < Build 912577 Multiple Vulnerabilities (remote check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71964
OpenVAS Name: Slackware Advisory SSA:2012-041-03 glibc
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: C Library 2.14
Patch: 97ac2654b2d831acaa18a2b018b0736245903fd2

Timelineinfo

06/01/2009 🔍
05/02/2010 +335 days 🔍
12/09/2010 +221 days 🔍
01/30/2012 +417 days 🔍
05/02/2013 +458 days 🔍
05/02/2013 +0 days 🔍
11/13/2013 +195 days 🔍
03/24/2015 +496 days 🔍
12/04/2024 +3543 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 761245
Researcher: Dan Rosenberg
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-5029 (🔍)
GCVE (CVE): GCVE-0-2009-5029
GCVE (VulDB): GCVE-100-64066

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 40063 - GNU glibc 'ld.so' ELF Header Parsing Remote Integer Overflow Vulnerability
Vulnerability Center: 34350 - Glibc Library Buffer Overflow Allows Remote Code Execution \\ DoS via a Crafted Timezone File, High

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

Entryinfo

Created: 03/24/2015 15:54
Updated: 12/04/2024 02:26
Changes: 03/24/2015 15:54 (68), 04/09/2017 14:11 (12), 01/02/2022 13:17 (4), 01/02/2022 13:23 (1), 12/04/2024 02:26 (24)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!