Vulnerability Details CVE-2019-19203
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 77.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://github.com/ManhNDd/CVE-2019-19203
- https://github.com/kkos/oniguruma/issues/163
- https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2
- https://github.com/tarantula-team/CVE-2019-19203
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
- https://github.com/ManhNDd/CVE-2019-19203
- https://github.com/kkos/oniguruma/issues/163
- https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2
- https://github.com/tarantula-team/CVE-2019-19203
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
Products affected by CVE-2019-19203
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cpe:2.3:a:oniguruma_project:oniguruma:6.0.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.1.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.1.1
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cpe:2.3:a:oniguruma_project:oniguruma:6.1.2
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cpe:2.3:a:oniguruma_project:oniguruma:6.1.3
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cpe:2.3:a:oniguruma_project:oniguruma:6.2.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.3.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.4.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.5.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.6.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.6.1
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cpe:2.3:a:oniguruma_project:oniguruma:6.7.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.7.1
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cpe:2.3:a:oniguruma_project:oniguruma:6.8.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.8.1
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cpe:2.3:a:oniguruma_project:oniguruma:6.8.2
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cpe:2.3:a:oniguruma_project:oniguruma:6.9.0
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cpe:2.3:a:oniguruma_project:oniguruma:6.9.1
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cpe:2.3:a:oniguruma_project:oniguruma:6.9.2
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cpe:2.3:a:oniguruma_project:oniguruma:6.9.3
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cpe:2.3:a:oniguruma_project:oniguruma:6.9.4
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cpe:2.3:o:fedoraproject:fedora:30
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cpe:2.3:o:fedoraproject:fedora:31