GNU binutils 2.29 readelf elfcomm.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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU binutils 2.29. It has been rated as problematic. Impacted is an unknown function of the file elfcomm.c of the component readelf. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2017-15996. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in GNU binutils 2.29 (Programming Tool Software). It has been rated as problematic. This issue affects an unknown function of the file elfcomm.c of the component readelf. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

elfcomm.c in readelf in GNU Binutils 2.29 allows remote attackers to cause a denial of service (excessive memory allocation) or possibly have unspecified other impact via a crafted ELF file that triggers a "buffer overflow on fuzzed archive header," related to an uninitialized variable, an improper conditional jump, and the get_archive_member_name, process_archive_index_and_symbols, and setup_archive functions.

The bug was discovered 10/29/2017. The weakness was presented 10/29/2017 as Bug 22361 as confirmed bug report (Bugzilla). The advisory is shared at sourceware.org. The identification of this vulnerability is CVE-2017-15996 since 10/29/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, 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 101608†). See VDB-98228, VDB-98229, VDB-98231 and VDB-98335 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
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: Partially
Local: Yes
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: d91f0b20e561e326ee91a09a76206257bde8438b

Timelineinfo

10/29/2017 🔍
10/29/2017 +0 days 🔍
10/29/2017 +0 days 🔍
10/29/2017 +0 days 🔍
10/29/2017 +0 days 🔍
10/29/2017 +0 days 🔍
11/07/2017 +9 days 🔍
12/01/2017 +24 days 🔍
01/05/2023 +1861 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 22361
Researcher: Kirit Sankar Gupta
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-15996 (🔍)
GCVE (CVE): GCVE-0-2017-15996
GCVE (VulDB): GCVE-100-108773
SecurityFocus: 101608 - GNU Binutils CVE-2017-15996 Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/29/2017 21:10
Updated: 01/05/2023 11:38
Changes: 10/29/2017 21:10 (74), 12/02/2019 07:26 (9), 01/21/2021 09:01 (3), 01/05/2023 11:38 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!