High severity · published Jan 21, 2020
CVE-2019-20387
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
7.5
CVSS
2.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LI
Libsolv · Opensuse
before 0.7.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20387
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20387
Patch
https://github.com/openSUSE/libsolv/commit/fdb9c9c03508990e4583046b590c30d958f272da
Patch
https://github.com/openSUSE/libsolv/compare/0.7.5...0.7.6
Mailing List
https://lists.debian.org/debian-lts-announce/2020/01/msg00034.html
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