LibRaw 0.19.1 libraw_cxx.cpp LibRaw::raw2image null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in LibRaw 0.19.1 (Image Processing Software). It has been classified as problematic. Affected is the function LibRaw::raw2image
of the file libraw_cxx.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:
LibRaw::raw2image in libraw_cxx.cpp in LibRaw 0.19.1 has a NULL pointer dereference.
The bug was discovered 12/19/2018. The weakness was published 12/22/2018 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2018-20363 since 12/22/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120569 (Fedora 29 : LibRaw (2018-801432b551)), 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 172005 (SUSE Enterprise Linux Security Update for libraw (SUSE-SU-2019:0127-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (120569). Similar entries are available at 128275, 128311, 128312 and 131049.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 5.4VulDB 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: 🔍
CVSSv2
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 120569
Nessus Name: Fedora 29 : LibRaw (2018-801432b551)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
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0-Day Time: 🔍
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Timeline
12/19/2018 🔍12/22/2018 🔍
12/22/2018 🔍
12/22/2018 🔍
12/22/2018 🔍
12/23/2018 🔍
12/29/2018 🔍
01/03/2019 🔍
06/20/2023 🔍
Sources
Advisory: 193⛔Status: Confirmed
CVE: CVE-2018-20363 (🔍)
SecurityFocus: 106299 - LibRAW 'libraw_cxx.cpp' Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 12/23/2018 12:44Updated: 06/20/2023 17:25
Changes: 12/23/2018 12:44 (74), 04/23/2020 14:44 (5), 06/20/2023 17:19 (4), 06/20/2023 17:25 (1)
Complete: 🔍
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