CVE-2021-20294

A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1943533	Issue Tracking Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=26929	Exploit Issue Tracking Patch Third Party Advisory
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E	Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E	Mailing List Third Party Advisory
https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=372dd157272e0674d13372655cc60eaca9c06926	Patch Third Party Advisory
https://security.gentoo.org/glsa/202208-30	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

Information

Published : 2021-04-29 09:15

Updated : 2022-10-07 07:16

NVD link : CVE-2021-20294

Mitre link : CVE-2021-20294

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

gnu

binutils

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