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Debian Security Advisory DSA-4208-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
May 22, 2018 https://www.debian.org/security/faq
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Package : procps
CVE ID : CVE-2018-1122 CVE-2018-1123 CVE-2018-1124 CVE-2018-1125
CVE-2018-1126
Debian Bug : 899170

The Qualys Research Labs discovered multiple vulnerabilities in procps,
a set of command line and full screen utilities for browsing procfs. The
Common Vulnerabilities and Exposures project identifies the following
problems:

CVE-2018-1122

top read its configuration from the current working directory if no
$HOME was configured. If top were started from a directory writable
by the attacker (such as /tmp) this could result in local privilege
escalation.

CVE-2018-1123

Denial of service against the ps invocation of another user.

CVE-2018-1124

An integer overflow in the file2strvec() function of libprocps could
result in local privilege escalation.

CVE-2018-1125

A stack-based buffer overflow in pgrep could result in denial
of service for a user using pgrep for inspecting a specially
crafted process.

CVE-2018-1126

Incorrect integer size parameters used in wrappers for standard C
allocators could cause integer truncation and lead to integer
overflow issues.

For the oldstable distribution (jessie), these problems have been fixed
in version 2:3.3.9-9+deb8u1.

For the stable distribution (stretch), these problems have been fixed in
version 2:3.3.12-3+deb9u1.

We recommend that you upgrade your procps packages.

For the detailed security status of procps please refer to its security
tracker page at: https://security-tracker.debian.org/tracker/procps

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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