VDB-113169 · CVE-2017-17723 · BID 102789

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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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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 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 vulnerability database at Tenable (109928). The entries 112225 and 113171 are related to this item.






CPE 2.3info

CPE 2.2info


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: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


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: 🔍


Recommended: Upgrade
Status: 🔍

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


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 🔍


Advisory: FEDORA-2018-fc9c5969b4
Status: Confirmed

CVE: CVE-2017-17723 (🔍)
SecurityFocus: 102789

See also: 🔍


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


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