libdwarf prior 20160923 dwarf_line_table_reader.c dwarf_read_line_table_header out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in libdwarf. This issue affects the function dwarf_read_line_table_header of the file dwarf_line_table_reader.c. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2016-5035. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in libdwarf (Programming Tool Software). It has been declared as critical. This vulnerability affects the function dwarf_read_line_table_header of the file dwarf_line_table_reader.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, and availability. CVE summarizes:

The _dwarf_read_line_table_header function in dwarf_line_table_reader.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted file.

The bug was discovered 05/24/2016. The weakness was published 02/17/2017 (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2016-5035 since 05/24/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 230 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96368 (FreeBSD : libdwarf -- multiple vulnerabilities (83041ca7-d690-11e6-9171-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 20160923 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (96368). Similar entries are available at VDB-93870, VDB-96999, VDB-97000 and VDB-97001. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 96368
Nessus Name: FreeBSD : libdwarf -- multiple vulnerabilities (83041ca7-d690-11e6-9171-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libdwarf 20160923

Timelineinfo

05/24/2016 🔍
05/24/2016 +0 days 🔍
01/09/2017 +230 days 🔍
01/10/2017 +1 days 🔍
02/17/2017 +38 days 🔍
02/17/2017 +0 days 🔍
02/18/2017 +1 days 🔍
08/15/2020 +1274 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5035 (🔍)
GCVE (CVE): GCVE-0-2016-5035
GCVE (VulDB): GCVE-100-97090
OSVDB: - CVE-2016-5035 - libdwarf - Out-of-Bounds Read Issue

See also: 🔍

Entryinfo

Created: 02/18/2017 08:55
Updated: 08/15/2020 17:16
Changes: 02/18/2017 08:55 (68), 08/15/2020 17:16 (3)
Complete: 🔍
Cache ID: 216::103

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

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