Eclipse OpenJ9 up to 0.11.x API jio_snprintf/jio_vsnprintf length memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Eclipse OpenJ9 up to 0.11.x. It has been declared as critical. This vulnerability affects the function jio_snprintf/jio_vsnprintf of the component API Handler. Executing a manipulation of the argument length as part of Parameter can lead to memory corruption. This vulnerability appears as CVE-2018-12547. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Eclipse OpenJ9 up to 0.11.x and classified as critical. This vulnerability affects the function jio_snprintf/jio_vsnprintf of the component API Handler. The manipulation of the argument length as part of a Parameter leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code.

The bug was discovered 02/08/2019. The weakness was presented 02/11/2019 with Oracle (Website). The advisory is available at bugs.eclipse.org. This vulnerability was named CVE-2018-12547 since 06/18/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 commercial vulnerability scanner Qualys is able to test this issue with plugin 237144 (Red Hat Update for java-1.7.1-ibm (RHSA-2019:0474)).

Upgrading to version 0.12.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106596†). See VDB-129618, VDB-130739 and VDB-131552 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenJ9 0.12.0

Timelineinfo

06/18/2018 🔍
01/15/2019 +211 days 🔍
02/08/2019 +24 days 🔍
02/11/2019 +3 days 🔍
02/11/2019 +0 days 🔍
07/09/2023 +1609 days 🔍

Sourcesinfo

Advisory: RHSA-2019:0469
Organization: Oracle
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12547 (🔍)
GCVE (CVE): GCVE-0-2018-12547
GCVE (VulDB): GCVE-100-130738
SecurityFocus: 106596 - Oracle Java SE CVE-2019-2422 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 02/12/2019 00:05
Updated: 07/09/2023 10:36
Changes: 02/12/2019 00:05 (65), 05/09/2020 18:18 (5), 07/09/2023 10:36 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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