LibRaw up to 0.18.6 src/libraw_cxx.cpp LibRaw::unpack null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in LibRaw up to 0.18.6. Affected by this vulnerability is the function LibRaw::unpack of the file src/libraw_cxx.cpp. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2018-5801. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in LibRaw up to 0.18.6 (Image Processing Software). This issue affects the function LibRaw::unpack of the file src/libraw_cxx.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

An error within the "LibRaw::unpack()" function (src/libraw_cxx.cpp) in LibRaw versions prior to 0.18.7 can be exploited to trigger a NULL pointer dereference.

The bug was discovered 01/29/2018. The weakness was released 12/07/2018 by Laurent Delosieres with Secunia Research (Website). The advisory is shared at access.redhat.com. The identification of this vulnerability is CVE-2018-5801 since 01/19/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106855 (FreeBSD : libraw -- multiple DoS vulnerabilities (6f0b0cbf-1274-11e8-8b5b-4ccc6adda413)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237014 (Red Hat Update for libkdcraw (RHSA-2018:3065)).

Upgrading to version 0.18.7 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106855) and SecurityFocus (BID 104663†). Entries connected to this vulnerability are available at VDB-127720, VDB-127722, VDB-127724 and VDB-127725. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 106855
Nessus Name: FreeBSD : libraw -- multiple DoS vulnerabilities (6f0b0cbf-1274-11e8-8b5b-4ccc6adda413)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 860160
OpenVAS Name: Ubuntu Update for libraw USN-3615-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LibRaw 0.18.7
Patch: github.com

Timelineinfo

01/19/2018 🔍
01/29/2018 +10 days 🔍
02/15/2018 +17 days 🔍
02/16/2018 +1 days 🔍
06/30/2018 +134 days 🔍
12/07/2018 +160 days 🔍
12/07/2018 +0 days 🔍
12/08/2018 +1 days 🔍
06/13/2023 +1648 days 🔍

Sourcesinfo

Product: github.com

Advisory: RHSA-2018:3065
Researcher: Laurent Delosieres
Organization: Secunia Research
Status: Confirmed

CVE: CVE-2018-5801 (🔍)
GCVE (CVE): GCVE-0-2018-5801
GCVE (VulDB): GCVE-100-127721
SecurityFocus: 104663 - LibRaw CVE-2018-5800 Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 12/08/2018 13:43
Updated: 06/13/2023 17:05
Changes: 12/08/2018 13:43 (76), 04/19/2020 09:26 (5), 06/13/2023 17:05 (5)
Complete: 🔍
Cache ID: 216::103

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

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