libical 1.0 ICS File use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in libical 1.0. It has been classified as problematic. Impacted is an unknown function of the component ICS File Handler. The manipulation leads to use after free. This vulnerability is documented as CVE-2016-5824. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in libical 1.0. It has been rated as problematic. This issue affects an unknown code block of the component ICS File Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. The summary by CVE is:

libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.

The bug was discovered 06/25/2016. The weakness was released 01/27/2017 (Website). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2016-5824 since 06/23/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 216 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100479 (Debian DLA-959-1 : libical security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237115 (Red Hat Update for thunderbird (RHSA-2019:0269)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100479) and SecurityFocus (BID 91459†). Entries connected to this vulnerability are available at VDB-95524, VDB-96100, VDB-96102 and VDB-96103. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: Use after free
CWE: CWE-416 / 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: 100479
Nessus Name: Debian DLA-959-1 : libical security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870934
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 959-1] libical security update)
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

06/23/2016 🔍
06/25/2016 +2 days 🔍
06/27/2016 +2 days 🔍
01/27/2017 +214 days 🔍
01/27/2017 +0 days 🔍
01/28/2017 +1 days 🔍
05/28/2017 +120 days 🔍
05/30/2017 +2 days 🔍
05/15/2026 +3272 days 🔍

Sourcesinfo

Advisory: RHSA-2019:0269
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5824 (🔍)
GCVE (CVE): GCVE-0-2016-5824
GCVE (VulDB): GCVE-100-96101
SecurityFocus: 91459 - libical Multiple Heap Overflow Vulnerabilities
OSVDB: - CVE-2016-5824 - libical - Use-After-Free Issue

See also: 🔍

Entryinfo

Created: 01/28/2017 09:09
Updated: 05/15/2026 02:13
Changes: 01/28/2017 09:09 (80), 11/04/2022 12:15 (4), 05/15/2026 02:13 (15)
Complete: 🔍
Cache ID: 216::103

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