LIBXSMM 1.10 generator_spgemm_csc_reader.c libxsmm_sparse_csc_reader memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in LIBXSMM 1.10 and classified as critical. The impacted element is the function libxsmm_sparse_csc_reader of the file generator_spgemm_csc_reader.c. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2018-20542. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in LIBXSMM 1.10. It has been declared as critical. Affected by this vulnerability is the function libxsmm_sparse_csc_reader of the file generator_spgemm_csc_reader.c. The manipulation with an unknown input 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. The summary by CVE is:

There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).

The bug was discovered 11/22/2018. The weakness was shared 12/28/2018 (Website). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2018-20542 since 12/27/2018. 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 36 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-128510 and VDB-128508 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/22/2018 🔍
12/27/2018 +35 days 🔍
12/28/2018 +1 days 🔍
12/28/2018 +0 days 🔍
12/29/2018 +1 days 🔍
06/22/2023 +1636 days 🔍

Sourcesinfo

Advisory: 151481489192e6d1997f8bde52c5c425ea41741d
Status: Not defined

CVE: CVE-2018-20542 (🔍)
GCVE (CVE): GCVE-0-2018-20542
GCVE (VulDB): GCVE-100-128509
See also: 🔍

Entryinfo

Created: 12/29/2018 17:36
Updated: 06/22/2023 11:54
Changes: 12/29/2018 17:36 (57), 04/24/2020 21:45 (1), 06/22/2023 11:54 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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