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9.8
CVSSv3

CVE-2019-19977

Published: 26/12/2019 Updated: 03/01/2020
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

libESMTP up to and including 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.

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libesmtp project libesmtp

Vendor Advisories

Arch Linux Issues:
libESMTP before version 110 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstructc During NTLM authentication, a sufficiently long domain, workstation or user name would overwrite the stack Furthermore, nt_unicode() is called with an incorrect length argument, potentially causing it to read uninitialised me ...

References

CWE-125https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.mdhttps://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242https://nvd.nist.govhttps://security.archlinux.org/CVE-2019-19977
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
encryptionCVE-2024-4331CVE-2024-26925arbitrary codeCVE-2006-4304CVE-2024-25458CVE-2024-27077reflected XSSCVE-2024-4059
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