CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in libtiff 4.4.0rc1 (Image Processing Software) and classified as problematic. This issue affects the function TIFFClose
of the file tif_close.c. The manipulation with an unknown input leads to a release of reference vulnerability. Using CWE to declare the problem leads to CWE-763. The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. Impacted is availability. The summary by CVE is:
It was found in libtiff 4.4.0rc1 that there is an invalid pointer free operation in TIFFClose() at tif_close.c:131 called by tiffcrop.c:2522 that can cause a program crash and denial of service while processing crafted input.
The weakness was published 08/31/2022 as 422. It is possible to read the advisory at gitlab.com. The identification of this vulnerability is CVE-2022-2521 since 07/22/2022. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.com.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Release of referenceCWE: CWE-763 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: gitlab.com
Timeline
07/22/2022 🔍08/31/2022 🔍
08/31/2022 🔍
10/10/2022 🔍
Sources
Product: libtiff.orgAdvisory: 422
Status: Confirmed
CVE: CVE-2022-2521 (🔍)
Entry
Created: 08/31/2022 22:43Updated: 10/10/2022 12:23
Changes: 08/31/2022 22:43 (42), 10/10/2022 12:23 (11)
Complete: 🔍
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