Vulnerability Details CVE-2019-19920
sa-exim 4.2.1 allows attackers to execute arbitrary code if they can write a .cf file or a rule. This occurs because Greylisting.pm relies on eval (rather than direct parsing and/or use of the taint feature). This issue is similar to CVE-2018-11805.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.044
EPSS Ranking 88.4%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
- https://bugs.debian.org/946829#24
- https://lists.debian.org/debian-lts-announce/2020/01/msg00006.html
- https://marc.info/?l=spamassassin-users&m=157668107325768&w=2
- https://marc.info/?l=spamassassin-users&m=157668305026635&w=2
- https://usn.ubuntu.com/4520-1/
- https://bugs.debian.org/946829#24
- https://lists.debian.org/debian-lts-announce/2020/01/msg00006.html
- https://marc.info/?l=spamassassin-users&m=157668107325768&w=2
- https://marc.info/?l=spamassassin-users&m=157668305026635&w=2
- https://usn.ubuntu.com/4520-1/
Products affected by CVE-2019-19920
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cpe:2.3:a:sa-exim_project:sa-exim:4.2.1
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0