VDB-113171 · CVE-2017-17725 · Nessus 109928

Exiv2 0.26 types.cpp Exiv2::getULong Image File integer overflow

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Exiv2 0.26. This vulnerability affects the function Exiv2::getULong of the file types.cpp. The manipulation as part of Image File leads to integer overflow. This vulnerability is documented as CVE-2017-17725. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Exiv2 0.26 (Image Processing Software) and classified as critical. This issue affects the function Exiv2::getULong of the file types.cpp. The manipulation as part of a Image File leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.

The bug was discovered 12/10/2017. The weakness was released 02/12/2018 (Website). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2017-17725 since 12/17/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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†). Entries connected to this vulnerability are available at VDB-112225 and VDB-113169. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 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 🔍
01/18/2018 +31 days 🔍
02/12/2018 +25 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
Researcher: ProbeFuzzer
Status: Confirmed

CVE: CVE-2017-17725 (🔍)
GCVE (CVE): GCVE-0-2017-17725
GCVE (VulDB): GCVE-100-113171
SecurityFocus: 102789

See also: 🔍

Entryinfo

Created: 02/13/2018 09:22
Updated: 02/06/2023 13:25
Changes: 02/13/2018 09:22 (75), 01/04/2020 09:53 (3), 02/03/2021 09:41 (4), 02/06/2023 13:19 (3), 02/06/2023 13:25 (1)
Complete: 🔍
Cache ID: 216:05F:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.