jhead 3.00 exif.c process_EXIF integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in jhead 3.00. Affected by this issue is the function process_EXIF of the file exif.c. Executing a manipulation can lead to integer overflow. This vulnerability appears as CVE-2018-6612. The attack requires local access. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in jhead 3.00 and classified as critical. This vulnerability affects the function process_EXIF of the file exif.c. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.

The bug was discovered 02/03/2018. The weakness was presented 02/04/2018 (Website). The advisory is shared for download at bugs.debian.org. This vulnerability was named CVE-2018-6612 since 02/04/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106742 (openSUSE Security Update : jhead (openSUSE-2018-155)), 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 170857 (OpenSUSE Security Update for jhead (openSUSE-SU-2018:0419-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106742). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106742
Nessus Name: openSUSE Security Update : jhead (openSUSE-2018-155)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881746
OpenVAS Name: Fedora Update for jhead FEDORA-2018-969328b17c
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

02/03/2018 🔍
02/04/2018 +1 days 🔍
02/04/2018 +0 days 🔍
02/04/2018 +0 days 🔍
02/05/2018 +1 days 🔍
02/10/2018 +5 days 🔍
02/12/2018 +2 days 🔍
01/01/2020 +688 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6612 (🔍)
GCVE (CVE): GCVE-0-2018-6612
GCVE (VulDB): GCVE-100-112828

Entryinfo

Created: 02/05/2018 15:01
Updated: 01/01/2020 16:07
Changes: 02/05/2018 15:01 (71), 01/01/2020 16:07 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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