stb up to 1.22 stb_truetype.h stbtt__cff_get_index assertion

Summaryinfo

A vulnerability has been found in stb up to 1.22 and classified as very critical. The affected element is the function stbtt__cff_get_index of the file stb_truetype.h. Performing a manipulation results in assertion. This vulnerability was named CVE-2020-6623. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical has been found in stb up to 1.22. This affects the function stbtt__cff_get_index of the file stb_truetype.h. The manipulation with an unknown input leads to a assertion vulnerability. CWE is classifying the issue as CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.

The weakness was presented 01/08/2020. This vulnerability is uniquely identified as CVE-2020-6623 since 01/08/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/09/2020).

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

See VDB-148472, VDB-148471, VDB-148470 and VDB-148469 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• stb

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Sourcesinfo

Entryinfo

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

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