otfcc 0.10.3-alpha unicodeconv.c Unicode out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in otfcc 0.10.3-alpha. This affects an unknown part in the library lib/support/unicodeconv/unicodeconv.c. Executing a manipulation as part of Unicode can lead to out-of-bounds. This vulnerability appears as CVE-2018-20588. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in otfcc 0.10.3-alpha. This vulnerability affects an unknown function in the library lib/support/unicodeconv/unicodeconv.c. The manipulation as part of a Unicode 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. CVE summarizes:

lib/support/unicodeconv/unicodeconv.c in libotfcc.a in otfcc v0.10.3-alpha has a buffer over-read.

The bug was discovered 12/30/2018. The weakness was presented 12/30/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-20588 since 12/30/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

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

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 6.5
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: 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: 🔍

Timelineinfo

12/30/2018 🔍
12/30/2018 +0 days 🔍
12/30/2018 +0 days 🔍
12/30/2018 +0 days 🔍
12/30/2018 +0 days 🔍
06/22/2023 +1635 days 🔍

Sourcesinfo

Advisory: 59
Status: Not defined

CVE: CVE-2018-20588 (🔍)
GCVE (CVE): GCVE-0-2018-20588
GCVE (VulDB): GCVE-100-128548

Entryinfo

Created: 12/30/2018 18:00
Updated: 06/22/2023 14:20
Changes: 12/30/2018 18:00 (55), 04/25/2020 10:01 (1), 06/22/2023 14:20 (3)
Complete: 🔍
Cache ID: 216::103

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