libsolv up to 0.7.5 repodata.c repodata_schema2id out-of-bounds

Summaryinfo

A vulnerability identified as critical has been detected in libsolv up to 0.7.5. Affected by this vulnerability is the function repodata_schema2id of the file repodata.c. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2019-20387. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in libsolv up to 0.7.5. This affects the function repodata_schema2id of the file repodata.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

repodata_schema2id in repodata.c in libsolv before 0.7.6 has a heap-based buffer over-read via a last schema whose length is less than the length of the input schema.

The weakness was presented 01/21/2020. This vulnerability is uniquely identified as CVE-2019-20387 since 01/21/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 0.7.6 eliminates this vulnerability.

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

Productinfo

Name

• libsolv

Version

• 0.7.0
• 0.7.1
• 0.7.2
• 0.7.3
• 0.7.4
• 0.7.5

License

• open-source

CPE 2.3info

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CPE 2.2info

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

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