Vulnerability Monitor

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CVE-2021-36080

GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_encode_MTEXT and dwg_encode_add_object).

Published

2021-07-01T03:15:08.573

Last Modified

2024-11-21T06:13:06.497

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-415

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	libredwg	≤ 0.12.3.4191	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342 Patch, Third Party Advisory ([email protected])
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)