Exempi up to 2.4.3 AVI File RIFF.cpp Chunk integer overflow

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

A vulnerability has been found in Exempi up to 2.4.3 and classified as critical. Affected by this vulnerability is the function Chunk of the file XMPFiles/source/FormatSupport/RIFF.cpp of the component AVI File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Exempi before 2.4.4. Integer overflow in the Chunk class in XMPFiles/source/FormatSupport/RIFF.cpp allows remote attackers to cause a denial of service (infinite loop) via crafted XMP data in a .avi file.

The bug was discovered 08/11/2017. The weakness was published 03/15/2018 (Website). It is possible to read the advisory at bugs.freedesktop.org. This vulnerability is known as CVE-2017-18233 since 03/15/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 216 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108839 (Fedora 27 : exempi (2018-c442aad4dc)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171678 (SUSE Enterprise Linux Security Update for exempi (SUSE-SU-2018:3389-1)).

Upgrading to version 2.4.4 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108839). Similar entries are available at VDB-114149, VDB-114150, VDB-114151 and VDB-114152.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 108839
Nessus Name: Fedora 27 : exempi (2018-c442aad4dc)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52995
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1310-1] exempi security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Exempi 2.4.4
Patch: cgit.freedesktop.org

Timelineinfo

08/11/2017 🔍
03/15/2018 +216 days 🔍
03/15/2018 +0 days 🔍
03/15/2018 +0 days 🔍
03/16/2018 +1 days 🔍
04/04/2018 +19 days 🔍
04/05/2018 +1 days 🔍
02/22/2023 +1784 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-c442aad4dc
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-18233 (🔍)
See also: 🔍

Entryinfo

Created: 03/16/2018 08:07 AM
Updated: 02/22/2023 08:19 AM
Changes: 03/16/2018 08:07 AM (75), 01/14/2020 08:55 AM (3), 02/22/2023 08:18 AM (5), 02/22/2023 08:19 AM (1)
Complete: 🔍
Cache ID: 18:A3A:40

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