Symlink guard bypass in unarchive module allows planting symlinks during extraction
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Black Lantern Security | BBOT | unaffected |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Black Lantern Security | Bbot |
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-xpf3-p7gm-7756 | BBOT's Symlink guard bypass in unarchive module allows planting symlinks during extraction |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.384% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Blacklanternsecurity
Blacklanternsecurity bbot |
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| CPEs | cpe:2.3:a:blacklanternsecurity:bbot:*:*:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.0:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1056:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1062:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1064:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1068:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1070:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1079:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1137:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1139:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1141:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1153:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1173:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1184:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1190:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1254:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1271:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1274:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1304:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1313:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1317:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1333:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1343:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1345:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1349:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1386:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1388:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1390:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1401:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.1407:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.647:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.649:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.652:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.654:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.659:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.669:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.671:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.673:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.691:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.765:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.767:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.773:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.782:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.786:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.793:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.795:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.798:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.819:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.821:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.829:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.836:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.849:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.851:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.858:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.870:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.876:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.884:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.897:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.903:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.907:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.909:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.981:rc:*:*:*:*:*:* cpe:2.3:a:blacklanternsecurity:bbot:3.0.0.986:rc:*:*:*:*:*:* |
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| Vendors & Products |
Blacklanternsecurity
Blacklanternsecurity bbot |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Black Lantern Security
Black Lantern Security bbot |
|
| Vendors & Products |
Black Lantern Security
Black Lantern Security bbot |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | BBOT's unarchive module rejects archives containing symlink entries before extraction, but for zip and 7z archives it failed to detect symlinks whose listing carries a DOS-attribute prefix before the unix mode, as produced by legacy versions of p7zip. Such an archive, downloaded and extracted during a scan (for example via filedownload), bypassed the guard and caused an attacker-controlled symlink to be written into the extraction directory. The effect is limited to planting the symlink (its target is not written through), and only hosts using such a legacy p7zip build are affected; current mainline 7-Zip is not. | |
| Title | Symlink guard bypass in unarchive module allows planting symlinks during extraction | |
| Weaknesses | CWE-59 | |
| References |
| |
| Metrics |
cvssV3_1
|