Sound eXchange up to 14.4.2 xa.c startread null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability classified as problematic was found in Sound eXchange up to 14.4.2. This vulnerability affects the function startread of the file xa.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The bug was discovered 11/08/2017. The weakness was presented 02/15/2018 (Website). The advisory is shared for download at bugs.debian.org. This vulnerability was named CVE-2017-18189 since 02/15/2018. 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 was handled as a non-public zero-day exploit for at least 99 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106917 (openSUSE Security Update : sox (openSUSE-2018-185)), 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 176684 (Debian Security Update for sox (DLA 1695-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106917). See 104685, 104687, 104688 and 107875 for similar entries.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

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: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106917
Nessus Name: openSUSE Security Update : sox (openSUSE-2018-185)
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

11/08/2017 🔍
02/15/2018 +99 days 🔍
02/15/2018 +0 days 🔍
02/15/2018 +0 days 🔍
02/16/2018 +1 days 🔍
02/20/2018 +4 days 🔍
02/21/2018 +1 days 🔍
02/08/2023 +1813 days 🔍

Sourcesinfo

Advisory: RHSA-2019:2283
Status: Confirmed

CVE: CVE-2017-18189 (🔍)
See also: 🔍

Entryinfo

Created: 02/16/2018 12:44 PM
Updated: 02/08/2023 09:56 AM
Changes: 02/16/2018 12:44 PM (69), 01/06/2020 07:22 AM (3), 02/08/2023 09:56 AM (4)
Complete: 🔍

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