libarchive up to 3.1.x bsdcpio cpio File out-of-bounds

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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in libarchive up to 3.1.x. This vulnerability affects unknown code of the component bsdcpio. Such manipulation as part of cpio File leads to out-of-bounds. This vulnerability is traded as CVE-2015-8915. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in libarchive up to 3.1.x (File Compression Software). It has been rated as problematic. Affected by this issue is an unknown code block of the component bsdcpio. The manipulation as part of a cpio File leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

bsdcpio in libarchive before 3.2.0 allows remote attackers to cause a denial of service (invalid read and crash) via crafted cpio file.

The weakness was shared 09/20/2016 by Hanno Bock (Website). The advisory is available at openwall.com. This vulnerability is handled as CVE-2015-8915 since 06/17/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 93415 (Debian DLA-617-1 : libarchive 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 176840 (Debian Security Update for libarchive (DLA 1600-1)).

Upgrading to version 3.2.0 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 (93415) and SecurityFocus (BID 91298†). The entries VDB-91755, VDB-91756, VDB-91766 and VDB-95905 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 93415
Nessus Name: Debian DLA-617-1 : libarchive security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libarchive 3.2.0

Timelineinfo

06/17/2016 🔍
06/17/2016 +0 days 🔍
09/10/2016 +85 days 🔍
09/12/2016 +2 days 🔍
09/20/2016 +8 days 🔍
09/20/2016 +0 days 🔍
09/21/2016 +1 days 🔍
09/19/2022 +2189 days 🔍

Sourcesinfo

Advisory: DLA 1600-1
Researcher: Hanno Bock
Status: Confirmed

CVE: CVE-2015-8915 (🔍)
GCVE (CVE): GCVE-0-2015-8915
GCVE (VulDB): GCVE-100-91754
SecurityFocus: 91298 - libarchive CVE-2015-8915 Invalid Memory Read Denial Of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/21/2016 12:23
Updated: 09/19/2022 09:30
Changes: 09/21/2016 12:23 (61), 04/21/2019 11:51 (16), 09/19/2022 09:30 (4)
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 need the next level of professionalism?

Upgrade your account now!