CHICKEN Scheme up to 4.12.0 malloc memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in CHICKEN Scheme up to 4.12.0. Affected is the function malloc. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-6949. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in CHICKEN Scheme up to 4.12.0. It has been rated as critical. This issue affects the function malloc. 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:

An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.

The bug was discovered 03/16/2017. The weakness was disclosed 03/16/2017 (Website). It is possible to read the advisory at lists.gnu.org. The identification of this vulnerability is CVE-2017-6949 since 03/16/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 99602 (Debian DLA-908-1 : chicken 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276673 (Fedora Security Update for chicken (FEDORA-2017-947da3daa5)).

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

The vulnerability is also documented in the databases at Tenable (99602) and SecurityFocus (BID 97317†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 🔍

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Nessus ID: 99602
Nessus Name: Debian DLA-908-1 : chicken security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for chicken FEDORA-2017-cc606f1001
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

03/16/2017 🔍
03/16/2017 +0 days 🔍
03/16/2017 +0 days 🔍
03/16/2017 +0 days 🔍
03/16/2017 +0 days 🔍
03/17/2017 +1 days 🔍
04/23/2017 +37 days 🔍
04/24/2017 +1 days 🔍
08/25/2024 +2680 days 🔍

Sourcesinfo

Advisory: lists.gnu.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6949 (🔍)
GCVE (CVE): GCVE-0-2017-6949
GCVE (VulDB): GCVE-100-98207
SecurityFocus: 97317 - CHICKEN CVE-2017-6949 Remote Buffer Overflow Vulnerability
OSVDB: - CVE-2017-6949 - CHICKEN - Buffer Overflow Issue

Entryinfo

Created: 03/17/2017 07:52
Updated: 08/25/2024 02:10
Changes: 03/17/2017 07:52 (70), 09/09/2020 14:41 (7), 08/25/2024 02:10 (18)
Complete: 🔍
Cache ID: 216:8F6:103

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

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