GNU binutils 2.29 libbfd dwarf2.c memory corruption

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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in GNU binutils 2.29. Affected by this vulnerability is an unknown functionality of the file dwarf2.c of the component libbfd. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-15938. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in GNU binutils 2.29 (Programming Tool Software) and classified as problematic. This vulnerability affects an unknown function of the file dwarf2.c of the component libbfd. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, miscalculates DW_FORM_ref_addr die refs in the case of a relocatable object file, which allows remote attackers to cause a denial of service (find_abstract_instance_name invalid memory read, segmentation fault, and application crash).

The bug was discovered 10/27/2017. The weakness was shared 10/27/2017 by Agostino Sarubbo with Gentoo (Website). The advisory is shared for download at blogs.gentoo.org. This vulnerability was named CVE-2017-15938 since 10/27/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 104905 (EulerOS 2.0 SP2 : binutils (EulerOS-SA-2017-1286)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171641 (SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2018:3207-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104905) and SecurityFocus (BID 101610†). The entries VDB-98228, VDB-98229, VDB-98231 and VDB-98335 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 104905
Nessus Name: EulerOS 2.0 SP2 : binutils (EulerOS-SA-2017-1286)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: 1b86808a86077722ee4f42ff97f836b12420bb2a

Timelineinfo

10/24/2017 🔍
10/27/2017 +3 days 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
10/28/2017 +1 days 🔍
11/07/2017 +10 days 🔍
12/01/2017 +24 days 🔍
01/05/2023 +1861 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: blogs.gentoo.org
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed

CVE: CVE-2017-15938 (🔍)
GCVE (CVE): GCVE-0-2017-15938
GCVE (VulDB): GCVE-100-108724
SecurityFocus: 101610 - GNU Binutils CVE-2017-15938 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 10/28/2017 10:33
Updated: 01/05/2023 09:09
Changes: 10/28/2017 10:33 (71), 12/01/2019 15:14 (10), 01/05/2023 09:09 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!