CVE-2021-20294
CVSS V2 Medium 6.8
CVSS V3 High 7.8
Description
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.
Overview
- CVE ID
- CVE-2021-20294
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-29T16:15:09
- Last Modified Date
- 2022-11-16T03:23:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:* | 1 | OR | 2.35 | 2.35.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1943533 | Issue Tracking Third Party Advisory |
| https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E | Mailing List Third Party Advisory |
| https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202208-30 | Third Party Advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=26929 | Exploit Issue Tracking Patch Third Party Advisory |
| https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=372dd157272e0674d13372655cc60eaca9c06926 | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20294 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20294 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:42:42 | Added to TrackCVE | |||
| 2022-12-05 01:16:03 | 2021-04-29T16:15Z | 2021-04-29T16:15:09 | CVE Published Date | updated |
| 2022-12-05 01:16:03 | 2022-11-16T03:23:31 | CVE Modified Date | updated | |
| 2022-12-05 01:16:03 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 01:16:07 | References | updated |