Resource exhaustion in Apache Commons Compress
CVE-2021-35516
When reading a specially crafted 7Z archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' sevenz package.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.124 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.124 · newest: 0.124 · change: 0.000
Affected products
- Apache Commons Compress
- Apache Software Foundation Commons Compress — versions 1.6
- NetApp Active Iq Unified Manager
- NetApp Oncommand Insight
- Oracle Banking Digital Experience — versions 19.1, 19.2, 20.1
- Oracle Banking Enterprise Default Management — versions 2.7.0
- Oracle Banking Party Management — versions 2.7.0
- Oracle Business Process Management Suite — versions 12.2.1.3.0, 12.2.1.4.0
- Oracle Commerce Guided Search — versions 11.3.2
- Oracle Communications Billing And Revenue Management — versions 12.0.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- commons.apache.org/proper/commons-compress/security-reports.html (Vendor Advisory)
- lists.apache.org/thread.html/rf68442d67eb166f4b6cf0bbbe6c7f99098c12954f37332073… (Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/07/13/2 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/rf5b1016fb15b7118b9a5e16bb0b78cb4f1dfcf7821eb137ab… (mailing-list)
- lists.apache.org/thread.html/rb064d705fdfa44b5dae4c366b369ef6597951083196321773… (mailing-list)
- lists.apache.org/thread.html/rd4332baaf6debd03d60deb7ec93bee49e5fdbe958cb6800df… (mailing-list)
- lists.apache.org/thread.html/rb7adf3e55359819e77230b4586521e5c6874ce5ed93384bdc… (mailing-list)
- lists.apache.org/thread.html/rfba19167efc785ad3561e7ef29f340d65ac8f0d897aed00e0… (mailing-list)
- lists.apache.org/thread.html/rba65ed5ddb0586f5b12598f55ec7db3633e7b7fede6046636… (mailing-list)
- lists.apache.org/thread.html/r9f54c0caa462267e0cc68b49f141e91432b36b23348d18c65… (mailing-list)
Frequently asked questions
- What is CVE-2021-35516?
- CVE-2021-35516 is a high-severity vulnerability in Apache Commons Compress, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.5/10. Published 2021-07-13.
- How severe is CVE-2021-35516?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-35516 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.