libdwarf up to 20151114 ELF File null pointer dereference

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

Summaryinfo

A vulnerability was found in libdwarf up to 20151114. It has been rated as problematic. This impacts an unknown function of the component ELF File Handler. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2015-8750. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in libdwarf up to 20151114 (Programming Tool Software). This affects an unknown function of the component ELF File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

libdwarf 20151114 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a debug_abbrev section marked NOBITS in an ELF file.

The bug was discovered 01/06/2016. The weakness was released 02/13/2017 (Website). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2015-8750 since 01/07/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 287 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 94143 (Debian DLA-669-1 : dwarfutils 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.

Upgrading 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 (94143). Entries connected to this vulnerability are available at VDB-97089, VDB-97091, VDB-97093 and VDB-97094. Be aware that VulDB is the high quality source for vulnerability data.

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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 94143
Nessus Name: Debian DLA-669-1 : dwarfutils security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/06/2016 🔍
01/07/2016 +1 days 🔍
10/19/2016 +286 days 🔍
10/20/2016 +1 days 🔍
02/13/2017 +116 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
11/14/2022 +2099 days 🔍

Sourcesinfo

Advisory: 11750a2838e52953013e3114ef27b3c7b1780697
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8750 (🔍)
GCVE (CVE): GCVE-0-2015-8750
GCVE (VulDB): GCVE-100-96831
OSVDB: - CVE-2015-8750 - libdwarf - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 02/14/2017 09:03
Updated: 11/14/2022 08:12
Changes: 02/14/2017 09:03 (63), 08/14/2020 10:34 (6), 11/14/2022 08:12 (5)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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