Apache Commons Compress 1.6 to 1.20 denial of service vulnerability
CVE-2021-35515

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Commons Compress
Vendor
CVE Published:
13 July 2021

What is CVE-2021-35515?

When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. This could be used to mount a denial of service attack against services that use Compress' sevenz package.

Affected Version(s)

Apache Commons Compress 1.6

References

https://commons.apache.org/proper/commons-compress/securi...
x_refsource_MISC
https://lists.apache.org/thread.html/r19ebfd71770ec0617a9...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/07/13/1
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by OSS Fuzz.
.