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amazonAmazonALAS2-2021-1619
HistoryMar 18, 2021 - 1:13 a.m.

Important: xterm

2021-03-1801:13:00
alas.aws.amazon.com
16

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.044 Low

EPSS

Percentile

92.3%

JSON

Issue Overview:

A flaw was found in xterm. A specially crafted sequence of combining characters causes an out of bounds write leading to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-27135)

Affected Packages:

xterm

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update xterm to update your system.

New Packages:

aarch64:  
    xterm-295-3.amzn2.1.aarch64  
    xterm-debuginfo-295-3.amzn2.1.aarch64  
  
i686:  
    xterm-295-3.amzn2.1.i686  
    xterm-debuginfo-295-3.amzn2.1.i686  
  
src:  
    xterm-295-3.amzn2.1.src  
  
x86_64:  
    xterm-295-3.amzn2.1.x86_64  
    xterm-debuginfo-295-3.amzn2.1.x86_64

Additional References

Red Hat: CVE-2021-27135

Mitre: CVE-2021-27135

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rocky 1
redhatcve 1
amazon 1
centos 1
cve 1
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veracode 1
ubuntucve 1
almalinux 1
cloudlinux 2
debiancve 1
gentoo 1
packetstorm 1
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2021-02-10 16:15:00
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2021-07-10 00:00:00
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[SECURITY] [DLA 2558-1] xterm security update
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2021-02-18 14:32:15
(RHSA-2021:0617) Important: xterm security update
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2021-02-24 07:22:26
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2021-03-03 01:33:06
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2021-05-19 00:00:00
Mageia: Security Advisory (MGASA-2021-0094)
2022-01-28 00:00:00
cbl_mariner
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CVE-2021-27135 affecting package xterm 351-3
2022-08-31 06:12:39
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Important: xterm security update
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CVE-2021-27135
2021-02-11 01:34:58
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Important: xterm
2021-03-18 17:30:00
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2021-04-30 16:44:35
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cve
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2021-02-10 16:15:00
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CVE-2021-27135
2021-02-10 16:15:00
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[SECURITY] Fedora 33 Update: xterm-366-1.fc33
2021-02-26 01:09:41
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Denial Of Service (DoS)
2021-02-12 06:11:56
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2021-02-10 00:00:00
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Important: xterm security update
2021-02-18 14:32:15
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2021-09-09 12:56:10
Fix of CVE: CVE-2021-27135
2022-04-21 21:19:43
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2021-02-10 16:15:00
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2021-05-21 00:00:00

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.044 Low

EPSS

Percentile

92.3%

JSON
Related for ALAS2-2021-1619
prion1oraclelinux3nessus30suse2debian2redhat4mageia1ubuntu1openvas15cbl_mariner1osv5slackware1rocky1redhatcve1amazon1centos1cve1alpinelinux1fedora1veracode1ubuntucve1almalinux1cloudlinux2debiancve1gentoo1packetstorm1