CVE-2020-28023

CVE-2020-28023 is an Exim 4 vulnerability: an Out-of-bounds Read in smtp_setup_msg that can disclose sensitive memory to an unauthenticated SMTP client. Connected sources confirm Exim 4 before 4.94.2 is affected and that the issue is addressed in later releases (e.g., Exim 4.94.2 and accompanying...

CVE-2020-28022

CVE-2020-28022 concerns Exim 4 before 4.94.2, where the vulnerability is an improper restriction of write operations within a memory buffer while processing name=value pairs in MAIL FROM and RCPT TO. The impact is a memory/buffer vulnerability that could be exploited to corrupt memory. Multiple c...

CVE-2020-28022

Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands...

CVE-2020-28022

Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands...

CVE-2020-28022

Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands...

CVE-2020-28021

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file which indirectly leads to remote code execution as root via AUTH= in a MAIL FROM command...

CVE-2020-28021

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file which indirectly leads to remote code execution as root via AUTH= in a MAIL FROM command...

CVE-2020-28021

Exim 4 prior to 4.94.2 contains an improper neutralization of line delimiters vulnerability. An authenticated remote SMTP client can inject newline characters via AUTH= in MAIL FROM, potentially enabling remote code execution as root. Remediation: upgrade to Exim 4.94.2 or later.

CVE-2020-28021

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file which indirectly leads to remote code execution as root via AUTH= in a MAIL FROM command...

CVE-2020-28020

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction...

EUVD-2020-20511

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction...

CVE-2020-28020

CVE-2020-28020 affects Exim 4.x prior to the 4.92 baseline, where an Integer Overflow to Buffer Overflow defect exists in the handling of continuation lines during header-length restriction (unauthenticated remote code execution). Connected advisories confirm this CVE is among multiple OpenSUSE/D...

CVE-2020-28020

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction...

CVE-2020-28020

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction...

CVE-2020-28019

Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA...

CVE-2020-28019

Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA...

CVE-2020-28019

CVE-2020-28019 is an Exim 4 vulnerability: versions prior to 4.94.2 suffer from Improper Initialization that can cause recursion-based stack consumption or other consequences when a client uses BDAT instead of DATA. The issue stems from how certain getc functions are mishandled in that BDAT flow,...

CVE-2020-28019

Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA...

CVE-2020-28018

Exim 4 before 4.94.2 allows Use After Free in smtpreset in certain situations that may be common for builds with OpenSSL...

CVE-2020-28018

Exim 4 before 4.94.2 is affected by a Use-After-Free in smtp_reset when TLS/OpenSSL is in use, enabling remote code execution via crafted TLS/SMTP sequences. The flaw centers on a freed gstring buffer in tls_write(), which can be referenced after smtp_reset frees pool memory, potentially leaking ...