CVE-2020-29361: Integer Overflow
First published: Wed Dec 16 2020(Updated: )
An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit library and the p11-kit list command, where overflow checks are missing before calling realloc or calloc.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/p11-kit | 0.23.15-2+deb10u1 0.23.22-1 0.24.1-2 0.25.0-5 | |
| IBM Cloud Pak for Security (CP4S) | >=0.21.1<=0.23.21 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.2.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.1.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.0.0 |
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Reference Links
- https://lists.freedesktop.org/archives/p11-glue/2020-December/000712.html
- https://github.com/p11-glue/p11-kit/security/advisories/GHSA-q4r3-hm6m-mvc2
- https://github.com/p11-glue/p11-kit/commit/5307a1d21a50cacd06f471a873a018d23ba4b963
- https://github.com/p11-glue/p11-kit/commit/bd670b1d4984b27d6a397b9ddafaf89ab26e4e7f
- https://security-tracker.debian.org/tracker/CVE-2020-29361
- https://github.com/p11-glue/p11-kit/releases
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/01/msg00002.html
- https://www.debian.org/security/2021/dsa-4822
- https://exchange.xforce.ibmcloud.com/vulnerabilities/193532
- https://www.ibm.com/support/pages/node/6493729 (Advisory)
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
Frequently Asked Questions
What is CVE-2020-29361?
CVE-2020-29361 is a vulnerability in p11-kit versions 0.21.1 through 0.23.21 that allows for denial of service through multiple integer overflows when allocating memory.
How severe is CVE-2020-29361?
CVE-2020-29361 has a severity rating of 7.5, which is considered high.
Which software versions are affected by CVE-2020-29361?
p11-kit versions 0.21.1 through 0.23.21 are affected by CVE-2020-29361.
How can an attacker exploit CVE-2020-29361?
An attacker can exploit CVE-2020-29361 by sending a specially-crafted request using realloc or calloc function.
Are there any fixes available for CVE-2020-29361?
Yes, there are fixes available for CVE-2020-29361 in versions 0.23.15-2+deb10u1, 0.23.22-1, 0.24.1-2, and 0.25.0-5 of p11-kit.
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/ibm-support
- source/IBM
- agent/software-canonical-lookup
- agent/severity
- agent/author
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/last-modified-date
- agent/first-publish-date
- agent/tags
- agent/event
- agent/trending
- package-manager/debian
- vendor/p11-kit project
- canonical/ibm cloud pak for security (cp4s)
- version/ibm cloud pak for security (cp4s)/0.21.1
- version/ibm cloud pak for security (cp4s)/0.23.21
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/ibm
- version/ibm cloud pak for security (cp4s)/1.7.2.0
- version/ibm cloud pak for security (cp4s)/1.7.1.0
- version/ibm cloud pak for security (cp4s)/1.7.0.0