Although Yahoo is definitely more constrained then Pinterest in terms of their license language, they actually do have a similar indemnity clause:
"You agree to indemnify and hold Yahoo! and its subsidiaries, affiliates, officers, agents, employees, partners and licensors harmless from any claim or demand, including reasonable attorneys' fees, made by any third party due to or arising out of Content you submit, post, transmit, modify or otherwise make available through the Yahoo! Services, your use of the Yahoo! Services, your connection to the Yahoo! Services, your violation of the TOS, or your violation of any rights of another."
"You agree to indemnify and hold Yahoo! and its subsidiaries, affiliates, officers, agents, employees, partners and licensors harmless from any claim or demand, including reasonable attorneys' fees, made by any third party due to or arising out of Content you submit, post, transmit, modify or otherwise make available through the Yahoo! Services, your use of the Yahoo! Services, your connection to the Yahoo! Services, your violation of the TOS, or your violation of any rights of another."