sysstat 12.1.1 sa_common.c remap_struct 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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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in sysstat 12.1.1. It has been rated as critical. The impacted element is the function remap_struct of the file sa_common.c. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2018-19416. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in sysstat 12.1.1 and classified as critical. Affected by this vulnerability is the function remap_struct of the file sa_common.c. 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. The summary by CVE is:

An issue was discovered in sysstat 12.1.1. The remap_struct function in sa_common.c has an out-of-bounds read during a memmove call, as demonstrated by sadf.

The bug was discovered 11/20/2018. The weakness was disclosed 11/21/2018 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2018-19416 since 11/21/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172262 (OpenSUSE Security Update for sysstat (openSUSE-SU-2019:1176-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106010†). The entry VDB-127095 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/20/2018 🔍
11/21/2018 +1 days 🔍
11/21/2018 +0 days 🔍
11/21/2018 +0 days 🔍
11/22/2018 +1 days 🔍
11/22/2018 +0 days 🔍
06/11/2023 +1662 days 🔍

Sourcesinfo

Advisory: 196⛔
Status: Confirmed

CVE: CVE-2018-19416 (🔍)
GCVE (CVE): GCVE-0-2018-19416
GCVE (VulDB): GCVE-100-127057
SecurityFocus: 106010 - Sysstat CVE-2018-19416 Local Stack Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 11/22/2018 08:05
Updated: 06/11/2023 09:32
Changes: 11/22/2018 08:05 (61), 04/14/2020 13:03 (3), 06/11/2023 09:32 (3)
Complete: 🔍
Cache ID: 216:088:103

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

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