Debian dpkg up to 1.16.16/1.17.25 dpkg-deb dpkg-deb/extract.c extracthalf 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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Debian dpkg up to 1.16.16/1.17.25. It has been rated as critical. This vulnerability affects the function extracthalf of the file dpkg-deb/extract.c of the component dpkg-deb. Performing a manipulation results in numeric error. This vulnerability is identified as CVE-2015-0860. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Debian dpkg up to 1.16.16/1.17.25. This affects the function extracthalf of the file dpkg-deb/extract.c of the component dpkg-deb. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Off-by-one error in the extracthalf function in dpkg-deb/extract.c in the dpkg-deb component in Debian dpkg 1.16.x before 1.16.17 and 1.17.x before 1.17.26 allows remote attackers to execute arbitrary code via the archive magic version number in an "old-style" Debian binary package, which triggers a stack-based buffer overflow.

The weakness was released 12/03/2015 by Hanno Boeck (Website). The advisory is shared at bugs.debian.org. This vulnerability is uniquely identified as CVE-2015-0860 since 01/07/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 87080 (Debian DSA-3407-1 : dpkg - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175571 (Debian Security Update for dpkg (DSA 3407-1)).

Upgrading to version 1.16.17 or 1.17.26 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87080), SecurityFocus (BID 78208†) and Vulnerability Center (SBV-54751†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 87080
Nessus Name: Debian DSA-3407-1 : dpkg - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703407
OpenVAS Name: Debian Security Advisory DSA 3407-1 (dpkg - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dpkg 1.16.17/1.17.26
Patch: anonscm.debian.org

Timelineinfo

01/07/2015 🔍
11/26/2015 +323 days 🔍
11/27/2015 +1 days 🔍
11/30/2015 +3 days 🔍
12/01/2015 +1 days 🔍
12/02/2015 +1 days 🔍
12/03/2015 +1 days 🔍
12/03/2015 +0 days 🔍
12/04/2015 +1 days 🔍
12/01/2024 +3285 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: USN-2820-1
Researcher: Hanno Boeck
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0860 (🔍)
GCVE (CVE): GCVE-0-2015-0860
GCVE (VulDB): GCVE-100-79401

OVAL: 🔍

SecurityFocus: 78208 - Debian dpkg Package CVE-2015-0860 Local Stack Buffer Overflow Vulnerability
Vulnerability Center: 54751 - Dpkg Remote Code Execution via a Crafted Binary Package, High

Entryinfo

Created: 12/04/2015 09:25
Updated: 12/01/2024 23:55
Changes: 12/04/2015 09:25 (64), 05/09/2018 12:04 (12), 06/28/2022 13:03 (4), 12/01/2024 23:55 (24)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!