Exiv2 0.26 image.cpp Exiv2::Image::byteSwap4 TIFF File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Exiv2 0.26. It has been rated as critical. Affected by this issue is the function Exiv2::Image::byteSwap4 of the file image.cpp. Performing a manipulation as part of TIFF File results in memory corruption. This vulnerability is cataloged as CVE-2017-17723. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Exiv2 0.26 (Image Processing Software). This affects the function Exiv2::Image::byteSwap4 of the file image.cpp. The manipulation as part of a TIFF File leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.

The bug was discovered 12/10/2017. The weakness was shared 02/12/2018 (Website). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2017-17723 since 12/17/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 64 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109928 (Fedora 27 : exiv2 (2018-fc9c5969b4)), 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 277684 (Fedora Security Update for exiv2 (FEDORA-2018-fc9c5969b4)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109928) and SecurityFocus (BID 102789†). The entries VDB-112225 and VDB-113171 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109928
Nessus Name: Fedora 27 : exiv2 (2018-fc9c5969b4)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53707
OpenVAS Name: Fedora Update for exiv2 FEDORA-2018-fc9c5969b4
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: 🔍

Timelineinfo

12/10/2017 🔍
12/17/2017 +7 days 🔍
02/12/2018 +57 days 🔍
02/12/2018 +0 days 🔍
02/13/2018 +1 days 🔍
05/19/2018 +95 days 🔍
05/21/2018 +2 days 🔍
02/06/2023 +1722 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-fc9c5969b4
Status: Confirmed

CVE: CVE-2017-17723 (🔍)
GCVE (CVE): GCVE-0-2017-17723
GCVE (VulDB): GCVE-100-113169
SecurityFocus: 102789

See also: 🔍

Entryinfo

Created: 02/13/2018 09:22
Updated: 02/06/2023 13:06
Changes: 02/13/2018 09:22 (75), 01/04/2020 09:39 (3), 02/06/2023 13:06 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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