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rosalinuxROSA LABROSA-SA-2021-1963
HistoryJul 02, 2021 - 6:04 p.m.

Advisory ROSA-SA-2021-1963

2021-07-0218:04:36
ROSA LAB
abf.rosalinux.ru
22
rpm 4.11.3
cobalt 7.9
high severity
medium severity
predictable file names
denial of service
privilege escalation
hdrblobinit
rpmdb modification
system availability

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

4.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

54.6%

Software: rpm 4.11.3
OS: Cobalt 7.9

CVE-ID: CVE-2017-7501
CVE-Crit: HIGH
CVE-DESC: It was discovered that rpm versions prior to 4.13.0.2 use temporary files with predictable names when installing RPM. An attacker with the ability to write to the directory where the files will be installed could create symbolic links to an arbitrary location and change content and possibly permissions on arbitrary files that could be used for denial of service or possibly privilege escalation.
CVE-STATUS: default
CVE-REV: Default

CVE-ID: CVE-2021-20266
CVE-Crit: MEDIUM
CVE-DESC: A bug was found in hdrblobInit () RPM in lib / header.c. This flaw allows an attacker who can modify rpmdb to cause reads outside the valid range. The biggest threat from this vulnerability is to system availability.
CVE-STATUS: default
CVE-REV: default

OSVersionArchitecturePackageVersionFilename
Cobaltanynoarchrpm< 4.11.3UNKNOWN

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

4.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

54.6%