GNU binutils 2.28 BFD Library bfd/aoutx.h aout_link_add_symbols out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in GNU binutils 2.28. This impacts the function aout_link_add_symbols of the file bfd/aoutx.h of the component BFD Library. Executing a manipulation can lead to out-of-bounds. The identification of this vulnerability is CVE-2017-7300. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in GNU binutils 2.28 (Programming Tool Software). This vulnerability affects the function aout_link_add_symbols of the file bfd/aoutx.h of the component BFD Library. 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 availability. CVE summarizes:

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has an aout_link_add_symbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read (off-by-one) because of an incomplete check for invalid string offsets while loading symbols, leading to a GNU linker (ld) program crash.

The bug was discovered 12/06/2016. The weakness was shared 03/29/2017 as Bug 20909 as not defined bug report (Bugzilla). The advisory is shared for download at sourceware.org. This vulnerability was named CVE-2017-7300 since 03/29/2017. 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 was handled as a non-public zero-day exploit for at least 113 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105225 (openSUSE Security Update : binutils (openSUSE-2017-1330)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171830 (OpenSUSE Security Update for binutils (openSUSE-SU-2018:3223-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 9 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105225) and SecurityFocus (BID 97219†). The entries VDB-98231, VDB-98373, VDB-99063 and VDB-99065 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105225
Nessus Name: openSUSE Security Update : binutils (openSUSE-2017-1330)
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: 🔍

Timelineinfo

12/06/2016 🔍
03/29/2017 +113 days 🔍
03/29/2017 +0 days 🔍
03/29/2017 +0 days 🔍
03/29/2017 +0 days 🔍
03/30/2017 +1 days 🔍
12/02/2017 +247 days 🔍
12/14/2017 +12 days 🔍
12/04/2024 +2547 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 20909
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7300 (🔍)
GCVE (CVE): GCVE-0-2017-7300
GCVE (VulDB): GCVE-100-99064
SecurityFocus: 97219 - GNU Binutils CVE-2017-7300 Remote Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7300 - Binutils - Buffer Over-Read Issue

See also: 🔍

Entryinfo

Created: 03/30/2017 09:24
Updated: 12/04/2024 01:40
Changes: 03/30/2017 09:24 (73), 08/23/2020 23:00 (10), 12/04/2024 01:40 (21)
Complete: 🔍
Cache ID: 216::103

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