Vulnerability Details CVE-2021-30022
There is a integer overflow in media_tools/av_parsers.c in the gf_avc_read_pps_bs_internal in GPAC from 0.5.2 to 1.0.1. pps_id may be a negative number, so it will not return. However, avc->pps only has 255 unit, so there is an overflow, which results a crash.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.8%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.3
References
- https://github.com/gpac/gpac/blob/v0.5.2/src/media_tools/av_parsers.c#L2344
- https://github.com/gpac/gpac/commit/51cdb67ff7c5f1242ac58c5aa603ceaf1793b788
- https://github.com/gpac/gpac/issues/1720
- https://github.com/gpac/gpac/commit/51cdb67ff7c5f1242ac58c5aa603ceaf1793b788
- https://github.com/gpac/gpac/issues/1720
Products affected by CVE-2021-30022
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cpe:2.3:a:gpac:gpac:0.5.2
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cpe:2.3:a:gpac:gpac:0.6.0
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cpe:2.3:a:gpac:gpac:0.6.1
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cpe:2.3:a:gpac:gpac:0.7.0
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cpe:2.3:a:gpac:gpac:0.7.1
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cpe:2.3:a:gpac:gpac:0.8.0
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cpe:2.3:a:gpac:gpac:0.9.0
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cpe:2.3:a:gpac:gpac:0.9.0-development-20191109
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cpe:2.3:a:gpac:gpac:1.0
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cpe:2.3:a:gpac:gpac:1.0.1