VulnerabilityModified
CVE-2021-27815
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.
MEDIUM 5.5EPSS 1.27%
Does this matter?
Lower severity and a low EPSS score (1.27%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libexif project/exif · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648faPatch, Third Party Advisory
- https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1cPatch, Third Party Advisory
- https://github.com/libexif/exif/issues/4Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/
- https://security.gentoo.org/glsa/202210-28Third Party Advisory
- https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648faPatch, Third Party Advisory
- https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1cPatch, Third Party Advisory
- https://github.com/libexif/exif/issues/4Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/
- https://security.gentoo.org/glsa/202210-28Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.