Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
References
Link | Resource |
---|---|
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28025-BHASH.txt | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2021-05-06T04:36:18
Updated: 2021-05-06T04:36:18
Reserved: 2020-10-30T00:00:00
Link: CVE-2020-28025
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-05-06T13:15:09.750
Modified: 2021-05-10T16:11:00.653
Link: CVE-2020-28025
JSON object: View
Redhat Information
No data.
CWE