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| author |   Repository mirror & CI <repomirrorci@gentoo.org> | 2021-05-26 08:35:08 +0000 |
|---|---|---|
| committer | Repository mirror & CI <repomirrorci@gentoo.org> | 2021-05-26 08:35:08 +0000 |
| commit | 7766ae1802dd91c0e4747a103fff0ee95e566771 (patch) | |
| tree | 5239fed5d142a7726513cf51fd43bb4ee42096ef /metadata/glsa/glsa-202105-11.xml | |
| parent | Merge updates from master (diff) | |
| parent | [ GLSA 202105-12 ] OpenSMTPD: Multiple vulnerabilities (diff) | |
| download | gentoo-7766ae1802dd91c0e4747a103fff0ee95e566771.tar.gz gentoo-7766ae1802dd91c0e4747a103fff0ee95e566771.tar.bz2 gentoo-7766ae1802dd91c0e4747a103fff0ee95e566771.zip | |
Merge commit '8be70da072097589e0c5e9d0f931b10da789ee37'
Diffstat (limited to 'metadata/glsa/glsa-202105-11.xml')
| -rw-r--r-- | metadata/glsa/glsa-202105-11.xml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/metadata/glsa/glsa-202105-11.xml b/metadata/glsa/glsa-202105-11.xml new file mode 100644 index 000000000000..548f498d4d3a --- /dev/null +++ b/metadata/glsa/glsa-202105-11.xml @@ -0,0 +1,55 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="202105-11"> + <title>GNU Screen: User-assisted execution of arbitrary code</title> + <synopsis>A vulnerability in GNU screen may allow a remote attacker to + execute arbitrary code. + </synopsis> + <product type="ebuild">screen</product> + <announced>2021-05-26</announced> + <revised count="1">2021-05-26</revised> + <bug>769770</bug> + <access>local, remote</access> + <affected> + <package name="app-misc/screen" auto="yes" arch="*"> + <unaffected range="ge">4.8.0-r2</unaffected> + <vulnerable range="lt">4.8.0-r2</vulnerable> + </package> + </affected> + <background> + <p>GNU Screen is a full-screen window manager that multiplexes a physical + terminal between several processes, typically interactive shells. + </p> + </background> + <description> + <p>It was discovered that GNU screen did not properly handle certain UTF-8 + character sequences. + </p> + </description> + <impact type="normal"> + <p>A remote attacker could entice a user to run a program where attacker + controls the output inside a GNU screen session, possibly resulting in + execution of arbitrary code with the privileges of the process or a + Denial of Service condition. + </p> + </impact> + <workaround> + <p>This vulnerability can be mitigated by disabling UTF-8 processing in + .screenrc. + </p> + </workaround> + <resolution> + <p>All GNU screen users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-misc/screen-4.8.0-r2" + </code> + + </resolution> + <references> + <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-26937">CVE-2021-26937</uri> + </references> + <metadata tag="requester" timestamp="2021-05-25T21:07:51Z">whissi</metadata> + <metadata tag="submitter" timestamp="2021-05-26T08:14:58Z">whissi</metadata> +</glsa> |