VDB-103650 · CVE-2017-11337 · Nessus 111098

Exiv2 0.26 actions.cpp cleanup free use after free

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Exiv2 0.26. This affects the function Action::TaskFactory::cleanup of the file actions.cpp. The manipulation results in use after free (free). This vulnerability is known as CVE-2017-11337. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Exiv2 0.26 (Image Processing Software). It has been classified as problematic. Affected is the function Action::TaskFactory::cleanup of the file actions.cpp. The manipulation with an unknown input leads to a use after free vulnerability (Free). CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability. CVE summarizes:

There is an invalid free in the Action::TaskFactory::cleanup function of actions.cpp in Exiv2 0.26. A crafted input will lead to a remote denial of service attack.

The bug was discovered 07/13/2017. The weakness was published 07/17/2017 (Website). The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2017-11337 since 07/15/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111098 (openSUSE Security Update : exiv2 (openSUSE-2018-727)), 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 171360 (OpenSUSE Security Update for exiv2 (openSUSE-SU-2018:1961-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (111098). Similar entries are available at VDB-103651, VDB-103652, VDB-103653 and VDB-104411. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Image Processing Software

Name

Exiv2

Version

0.26

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Free
Class: Use after free / Free
CWE: CWE-416 / 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: 111098
Nessus Name: openSUSE Security Update : exiv2 (openSUSE-2018-727)
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

07/13/2017 🔍
07/15/2017 +2 days 🔍
07/17/2017 +2 days 🔍
07/17/2017 +0 days 🔍
07/18/2017 +1 days 🔍
07/13/2018 +360 days 🔍
07/16/2018 +3 days 🔍
10/26/2019 +467 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2017-11337 (🔍)
GCVE (CVE): GCVE-0-2017-11337
GCVE (VulDB): GCVE-100-103650
See also: 🔍

Entryinfo

Created: 07/18/2017 09:00
Updated: 10/26/2019 16:30
Changes: 07/18/2017 09:00 (70), 10/26/2019 16:30 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.