VulnerabilityModified
CVE-2020-28010
Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
HIGH 7.8EPSS 0.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- exim/exim
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/07/22/7Mailing List, Third Party Advisory
- https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txtVendor Advisory
- http://www.openwall.com/lists/oss-security/2021/07/22/7Mailing List, Third Party Advisory
- https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txtVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.