2626 matches found
Exim Use-After-Free(CVE-2017-16943)
On 23 November, 2017, we reported two vulnerabilities to Exim. These bugs exist in the SMTP daemon and attackers do not need to be authenticated, including CVE-2017-16943 for a use-after-free UAF vulnerability, which leads to Remote Code Execution RCE; and CVE-2017-16944 for a Denial-of-Service D...
USN-3493-1: Exim vulnerability
It was discovered that Exim incorrectly handled memory in the ESMTP CHUNKING extension. A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases should reduce the...
CVE-2017-16944
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...
Exim Remote Code Execution Vulnerability
Exim is an open source messaging agent MTA developed by the University of Cambridge in the UK that runs on Unix systems and is responsible for routing, forwarding and delivering mail. A security vulnerability exists in the 'receivemsg' function of the receive.c file of the SMTP daemon in Exim...
Exim 4.89 - BDAT Denial of Service
Exim 4.89 - BDAT Denial of Service While parsing BDAT data header, exim still scans for '.' and consider it the end of mail. https://github.com/Exim/exim/blob/master/src/src/receive.cL1867 Exim goes into an incorrect state after this message is sent because the function pointer receivegetc is not...
CVE-2017-16943
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service use-after-free via vectors involving BDAT commands...
CVE-2017-16944
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...
Exim Denial of Service Vulnerability
Exim is an open source messaging agent MTA developed by the University of Cambridge in the UK that runs on Unix systems and is responsible for routing, forwarding and delivering mail. A security vulnerability exists in the 'receivemsg' function of the receive.c file of the SMTP daemon in Exim...
UBUNTU-CVE-2017-16944
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...
Exim 4.89 - 'BDAT' Denial of Service
While parsing BDAT data header, exim still scans for '.' and consider it the end of mail. https://github.com/Exim/exim/blob/master/src/src/receive.cL1867 Exim goes into an incorrect state after this message is sent because the function pointer receivegetc is not reset. If the following command is...
Exim 4.89 Denial Of Service
While parsing BDAT data header, exim still scans for '.' and consider it the end of mail. https://github.com/Exim/exim/blob/master/src/src/receive.cL1867 Exim goes into an incorrect state after this message is sent because the function pointer receivegetc is not reset. If the following command is...
Exim 4.89 - BDAT Denial of Service Exploit
Exploit for multiple platform in category dos / poc While parsing BDAT data header, exim still scans for '.' and consider it the end of mail. https://github.com/Exim/exim/blob/master/src/src/receive.cL1867 Exim goes into an incorrect state after this message is sent because the function pointer...
Exim Multiple RCE Vulnerabilities
Exim is prone to multiple remote code execution RCE vulnerabilities. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:exim:exim"; ...
UBUNTU-CVE-2017-16943
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service use-after-free via vectors involving BDAT commands...
Exim Internet Mailer Found Vulnerable to RCE And DoS Bugs; Patch Now
A security researcher has discovered and publicly disclosed two critical vulnerabilities in the popular Internet mail message transfer agent Exim, one of which could allow a remote attacker to execute malicious code on the targeted server. Exim is an open source mail transfer agent MTA developed...
CVE-2017-16944
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...
DEBIAN-CVE-2017-16944
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...
DEBIAN-CVE-2017-16943
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service use-after-free via vectors involving BDAT commands...
CVE-2017-16944
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...
Design/Logic Flaw
The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service use-after-free via vectors involving BDAT commands...