GNU libcdio up to 0.9 ISO File iso-info.c out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in GNU libcdio up to 0.9. This issue affects some unknown processing of the file iso-info.c of the component ISO File Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2017-18198. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in GNU libcdio up to 0.9. This vulnerability affects an unknown part of the file iso-info.c of the component ISO File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

print_iso9660_recurse in iso-info.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted iso file.

The bug was discovered 10/23/2017. The weakness was presented 02/24/2018 (Website). The advisory is shared for download at ftp.gnu.org. This vulnerability was named CVE-2017-18198 since 02/23/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 124 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 107162 (Fedora 27 : libcdio (2018-30a8492364)), 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 237023 (Red Hat Update for libcdio (RHSA-2018:3246)).

Upgrading to version 1.0.0 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (107162) and SecurityFocus (BID 103200†). See VDB-113789 and VDB-113834 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 107162
Nessus Name: Fedora 27 : libcdio (2018-30a8492364)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802805
OpenVAS Name: Fedora Update for libcdio FEDORA-2018-199e6065ee
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: 🔍

Upgrade: libcdio 1.0.0

Timelineinfo

10/23/2017 🔍
02/23/2018 +123 days 🔍
02/24/2018 +1 days 🔍
02/24/2018 +0 days 🔍
02/24/2018 +0 days 🔍
03/06/2018 +10 days 🔍
03/07/2018 +1 days 🔍
02/10/2023 +1801 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: FEDORA-2018-30a8492364
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-18198 (🔍)
GCVE (CVE): GCVE-0-2017-18198
GCVE (VulDB): GCVE-100-113788
SecurityFocus: 103200

See also: 🔍

Entryinfo

Created: 02/24/2018 20:11
Updated: 02/10/2023 08:48
Changes: 02/24/2018 20:11 (76), 01/08/2020 13:57 (3), 02/10/2023 08:45 (4), 02/10/2023 08:48 (1)
Complete: 🔍
Cache ID: 216::103

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