VDB-102835 · CVE-2017-9953 · Qualys 277432

Exiv2 0.26 Image::printIFDStructure use after free

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as problematic was found in Exiv2 0.26 (Image Processing Software). Affected by this vulnerability is the function Image::printIFDStructure. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. The summary by CVE is:

There is an invalid free in Image::printIFDStructure that leads to a Segmentation fault in Exiv2 0.26. A crafted input will lead to a remote denial of service attack.

The bug was discovered 06/26/2017. The weakness was published 06/26/2017 (Website). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2017-9953 since 06/26/2017. The exploitation appears to be easy. 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 scanner Nessus provides a plugin with the ID 120594 (Fedora 28 : exiv2 (2018-8b67a5c7e2)), 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 277432 (Fedora Security Update for exiv2 (FEDORA-2018-8b67a5c7e2)).

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 (120594).






CPE 2.3info

CPE 2.2info


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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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NVD Base Score: 7.5
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Class: Use after free
CWE: CWE-416 / CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 120594
Nessus Name: Fedora 28 : exiv2 (2018-8b67a5c7e2)
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Threat Intelligenceinfo

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Recommended: Upgrade
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06/26/2017 🔍
06/26/2017 +0 days 🔍
06/26/2017 +0 days 🔍
06/26/2017 +0 days 🔍
06/27/2017 +1 days 🔍
08/07/2018 +406 days 🔍
01/03/2019 +149 days 🔍
12/09/2022 +1436 days 🔍


Advisory: FEDORA-2018-8b67a5c7e2
Status: Not defined

CVE: CVE-2017-9953 (🔍)


Created: 06/27/2017 08:54 AM
Updated: 12/09/2022 09:48 AM
Changes: 06/27/2017 08:54 AM (63), 10/20/2019 04:34 PM (7), 12/09/2022 09:48 AM (4)
Complete: 🔍
Cache ID: 44:538:40


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