libplist File bplist.c parse_dict_node out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in libplist. The affected element is the function parse_dict_node of the file bplist.c of the component File Handler. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2017-5834. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in libplist (affected version unknown). It has been rated as critical. Affected by this issue is the function parse_dict_node of the file bplist.c of the component File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The parse_dict_node function in bplist.c in libplist allows attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted file.

The bug was discovered 01/31/2017. The weakness was disclosed 03/03/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2017-5834 since 02/01/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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 20 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 97291 (openSUSE Security Update : libplist (openSUSE-2017-283)), 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 169768 (OpenSuSE Security Update for libplist (openSUSE-SU-2017:0528-1)).

Upgrading 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 (97291) and SecurityFocus (BID 96022†). The entries VDB-95188, VDB-97533 and VDB-97534 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97291
Nessus Name: openSUSE Security Update : libplist (openSUSE-2017-283)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for libplist FEDORA-2017-4047180cd3
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/31/2017 🔍
01/31/2017 +0 days 🔍
02/01/2017 +1 days 🔍
02/20/2017 +19 days 🔍
02/21/2017 +1 days 🔍
03/03/2017 +10 days 🔍
03/03/2017 +0 days 🔍
03/04/2017 +1 days 🔍
09/04/2020 +1280 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5834 (🔍)
GCVE (CVE): GCVE-0-2017-5834
GCVE (VulDB): GCVE-100-97532
SecurityFocus: 96022 - libplist Multiple Local Heap Buffer Overflow and Denial-of-Service Vulnerabilities
OSVDB: - CVE-2017-5834 - libplist - Out-of-Bounds Read Issue

See also: 🔍

Entryinfo

Created: 03/04/2017 14:01
Updated: 09/04/2020 08:17
Changes: 03/04/2017 14:01 (73), 09/04/2020 08:17 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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