Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.
CVSS Score
7.5
EPSS Score
0.024
Published
2020-05-11
A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of exim in openSUSE Factory allows local attackers to escalate from user mail to root. This issue affects: openSUSE Factory exim versions prior to 4.93.0.4-3.1.
CVSS Score
8.4
EPSS Score
0.001
Published
2020-04-02
Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.
CVSS Score
9.8
EPSS Score
0.628
Published
2019-09-06
CVE-2018-6789
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
Known exploited
CVSS Score
9.8
EPSS Score
0.85
Published
2018-02-08
Exim supports the use of multiple "-p" command line arguments which are malloc()'ed and never free()'ed, used in conjunction with other issues allows attackers to cause arbitrary code execution. This affects exim version 4.89 and earlier. Please note that at this time upstream has released a patch (commit 65e061b76867a9ea7aeeb535341b790b90ae6c21), but it is not known if a new point release is available that addresses this issue at this time.
CVSS Score
4.0
EPSS Score
0.004
Published
2017-06-19
Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.
CVSS Score
5.9
EPSS Score
0.011
Published
2017-02-01
Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
CVSS Score
7.0
EPSS Score
0.676
Published
2016-04-07
The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.
CVSS Score
6.8
EPSS Score
0.026
Published
2014-09-04
expand.c in Exim before 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.
CVSS Score
4.6
EPSS Score
0.004
Published
2014-09-04
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
CVSS Score
7.5
EPSS Score
0.027
Published
2011-10-05