libdwarf 20151114 ELF Object File dwarf_frame2.c dwarf_read_cie_fde_prefix memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in libdwarf 20151114. This issue affects the function dwarf_read_cie_fde_prefix of the file dwarf_frame2.c of the component ELF Object File Handler. The manipulation results in memory corruption. This vulnerability is reported as CVE-2016-2091. The attack requires a local approach. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in libdwarf 20151114 (Programming Tool Software). Affected is the function dwarf_read_cie_fde_prefix of the file dwarf_frame2.c of the component ELF Object File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

The dwarf_read_cie_fde_prefix function in dwarf_frame2.c in libdwarf 20151114 allows attackers to cause a denial of service (out-of-bounds read) via a crafted ELF object file.

The weakness was disclosed 02/08/2016 (Website). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2016-2091 since 01/28/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 92205 (Fedora 24 : libdwarf (2016-f36c5935e5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (92205). The entry VDB-96329 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 92205
Nessus Name: Fedora 24 : libdwarf (2016-f36c5935e5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for libdwarf FEDORA-2016-f36c5935e5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/28/2016 🔍
02/08/2016 +11 days 🔍
02/08/2016 +0 days 🔍
02/09/2016 +1 days 🔍
05/12/2016 +93 days 🔍
07/14/2016 +63 days 🔍
07/07/2022 +2184 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-f36c5935e5
Status: Not defined

CVE: CVE-2016-2091 (🔍)
GCVE (CVE): GCVE-0-2016-2091
GCVE (VulDB): GCVE-100-80832
See also: 🔍

Entryinfo

Created: 02/09/2016 09:23
Updated: 07/07/2022 09:22
Changes: 02/09/2016 09:23 (48), 07/20/2018 09:38 (25), 07/07/2022 09:22 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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