CVE-2021-27815
Exif NULL Pointer Denial of Service
Description
NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.
INFO
Published Date :
April 14, 2021, 2:15 p.m.
Last Modified :
Nov. 7, 2023, 3:32 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-27815.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-27815 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27815 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ -
Modified Analysis by [email protected]
Nov. 04, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202210-28 No Types Assigned https://security.gentoo.org/glsa/202210-28 Third Party Advisory -
CVE Modified by [email protected]
Oct. 31, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202210-28 [No Types Assigned] -
Modified Analysis by [email protected]
May. 21, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 20, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/ [No Types Assigned] -
CVE Modified by [email protected]
May. 19, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/ [No Types Assigned] -
CVE Modified by [email protected]
May. 19, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 21, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa No Types Assigned https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa Patch, Third Party Advisory Changed Reference Type https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c No Types Assigned https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c Patch, Third Party Advisory Changed Reference Type https://github.com/libexif/exif/issues/4 No Types Assigned https://github.com/libexif/exif/issues/4 Exploit, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:libexif_project:exif:*:*:*:*:*:*:*:* versions up to (including) 0.6.22 -
CVE Modified by [email protected]
Apr. 15, 2021
Action Type Old Value New Value Changed Description NULL Pointer Deference in the "actions.c" library of libexif exif v0.6.22 allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash. NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash. Added Reference https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa [No Types Assigned] Added Reference https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27815 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-27815
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.17 }} 0.01%
score
0.54524
percentile