VDB-114989 · CVE-2018-8976 · RHSA-2019:2101

Exiv2 0.26 jpgimage.cpp stringFormat out-of-bounds

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Exiv2 0.26. It has been rated as problematic. The affected element is the function Exiv2::Internal::stringFormat of the file jpgimage.cpp. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2018-8976. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Exiv2 0.26 (Image Processing Software) and classified as problematic. This issue affects the function Exiv2::Internal::stringFormat of the file jpgimage.cpp. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. The summary by CVE is:

In Exiv2 0.26, jpgimage.cpp allows remote attackers to cause a denial of service (image.cpp Exiv2::Internal::stringFormat out-of-bounds read) via a crafted file.

The bug was discovered 03/23/2018. The weakness was shared 03/25/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-8976 since 03/24/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119134 (GLSA-201811-14 : Exiv2: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

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 vulnerability database at Tenable (119134). The entries VDB-113170, VDB-114990, VDB-115290 and VDB-115291 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Image Processing Software

Name

Exiv2

Version

0.26

License

free

Website

Product: https://github.com/Exiv2/exiv2/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 119134
Nessus Name: GLSA-201811-14 : Exiv2: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/23/2018 🔍
03/24/2018 +1 days 🔍
03/24/2018 +0 days 🔍
03/25/2018 +1 days 🔍
03/25/2018 +0 days 🔍
11/24/2018 +244 days 🔍
11/26/2018 +2 days 🔍
02/24/2023 +1551 days 🔍

Sourcesinfo

Product: github.com

Advisory: RHSA-2019:2101
Status: Not defined

CVE: CVE-2018-8976 (🔍)
GCVE (CVE): GCVE-0-2018-8976
GCVE (VulDB): GCVE-100-114989
See also: 🔍

Entryinfo

Created: 03/25/2018 10:08
Updated: 02/24/2023 07:35
Changes: 03/25/2018 10:08 (62), 01/16/2020 13:27 (11), 02/24/2023 07:35 (4)
Complete: 🔍
Cache ID: 216:C03:103

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